diff --git a/apps/ios/Shared/Model/SimpleXAPI.swift b/apps/ios/Shared/Model/SimpleXAPI.swift
index eda8469dd6..641ca6d087 100644
--- a/apps/ios/Shared/Model/SimpleXAPI.swift
+++ b/apps/ios/Shared/Model/SimpleXAPI.swift
@@ -671,18 +671,18 @@ private func connectionErrorAlert(_ r: ChatResponse) -> Alert {
     }
 }
 
-func apiDeleteChat(type: ChatType, id: Int64) async throws {
-    let r = await chatSendCmd(.apiDeleteChat(type: type, id: id), bgTask: false)
+func apiDeleteChat(type: ChatType, id: Int64, notify: Bool? = nil) async throws {
+    let r = await chatSendCmd(.apiDeleteChat(type: type, id: id, notify: notify), bgTask: false)
     if case .direct = type, case .contactDeleted = r { return }
     if case .contactConnection = type, case .contactConnectionDeleted = r { return }
     if case .group = type, case .groupDeletedUser = r { return }
     throw r
 }
 
-func deleteChat(_ chat: Chat) async {
+func deleteChat(_ chat: Chat, notify: Bool? = nil) async {
     do {
         let cInfo = chat.chatInfo
-        try await apiDeleteChat(type: cInfo.chatType, id: cInfo.apiId)
+        try await apiDeleteChat(type: cInfo.chatType, id: cInfo.apiId, notify: notify)
         DispatchQueue.main.async { ChatModel.shared.removeChat(cInfo.id) }
     } catch let error {
         logger.error("deleteChat apiDeleteChat error: \(responseError(error))")
diff --git a/apps/ios/Shared/Views/Chat/ChatInfoView.swift b/apps/ios/Shared/Views/Chat/ChatInfoView.swift
index 5438eb13bc..ec4cc0fc4c 100644
--- a/apps/ios/Shared/Views/Chat/ChatInfoView.swift
+++ b/apps/ios/Shared/Views/Chat/ChatInfoView.swift
@@ -99,12 +99,12 @@ struct ChatInfoView: View {
     @Binding var connectionCode: String?
     @FocusState private var aliasTextFieldFocused: Bool
     @State private var alert: ChatInfoViewAlert? = nil
+    @State private var showDeleteContactActionSheet = false
     @State private var sendReceipts = SendReceipts.userDefault(true)
     @State private var sendReceiptsUserDefault = true
     @AppStorage(DEFAULT_DEVELOPER_TOOLS) private var developerTools = false
 
     enum ChatInfoViewAlert: Identifiable {
-        case deleteContactAlert
         case clearChatAlert
         case networkStatusAlert
         case switchAddressAlert
@@ -114,7 +114,6 @@ struct ChatInfoView: View {
 
         var id: String {
             switch self {
-            case .deleteContactAlert: return "deleteContactAlert"
             case .clearChatAlert: return "clearChatAlert"
             case .networkStatusAlert: return "networkStatusAlert"
             case .switchAddressAlert: return "switchAddressAlert"
@@ -233,7 +232,6 @@ struct ChatInfoView: View {
         }
         .alert(item: $alert) { alertItem in
             switch(alertItem) {
-            case .deleteContactAlert: return deleteContactAlert()
             case .clearChatAlert: return clearChatAlert()
             case .networkStatusAlert: return networkStatusAlert()
             case .switchAddressAlert: return switchAddressAlert(switchContactAddress)
@@ -242,6 +240,26 @@ struct ChatInfoView: View {
             case let .error(title, error): return mkAlert(title: title, message: error)
             }
         }
+        .actionSheet(isPresented: $showDeleteContactActionSheet) {
+            if contact.ready && contact.active {
+                ActionSheet(
+                    title: Text("Delete contact?\nThis cannot be undone!"),
+                    buttons: [
+                        .destructive(Text("Delete and notify contact")) { deleteContact(notify: true) },
+                        .destructive(Text("Delete")) { deleteContact(notify: false) },
+                        .cancel()
+                    ]
+                )
+            } else {
+                ActionSheet(
+                    title: Text("Delete contact?\nThis cannot be undone!"),
+                    buttons: [
+                        .destructive(Text("Delete")) { deleteContact() },
+                        .cancel()
+                    ]
+                )
+            }
+        }
     }
 
     private func contactInfoHeader() -> some View {
@@ -414,7 +432,7 @@ struct ChatInfoView: View {
 
     private func deleteContactButton() -> some View {
         Button(role: .destructive) {
-            alert = .deleteContactAlert
+            showDeleteContactActionSheet = true
         } label: {
             Label("Delete contact", systemImage: "trash")
                 .foregroundColor(Color.red)
@@ -430,30 +448,23 @@ struct ChatInfoView: View {
         }
     }
 
-    private func deleteContactAlert() -> Alert {
-        Alert(
-            title: Text("Delete contact?"),
-            message: Text("Contact and all messages will be deleted - this cannot be undone!"),
-            primaryButton: .destructive(Text("Delete")) {
-                Task {
-                    do {
-                        try await apiDeleteChat(type: chat.chatInfo.chatType, id: chat.chatInfo.apiId)
-                        await MainActor.run {
-                            dismiss()
-                            chatModel.chatId = nil
-                            chatModel.removeChat(chat.chatInfo.id)
-                        }
-                    } catch let error {
-                        logger.error("deleteContactAlert apiDeleteChat error: \(responseError(error))")
-                        let a = getErrorAlert(error, "Error deleting contact")
-                        await MainActor.run {
-                            alert = .error(title: a.title, error: a.message)
-                        }
-                    }
+    private func deleteContact(notify: Bool? = nil) {
+        Task {
+            do {
+                try await apiDeleteChat(type: chat.chatInfo.chatType, id: chat.chatInfo.apiId, notify: notify)
+                await MainActor.run {
+                    dismiss()
+                    chatModel.chatId = nil
+                    chatModel.removeChat(chat.chatInfo.id)
                 }
-            },
-            secondaryButton: .cancel()
-        )
+            } catch let error {
+                logger.error("deleteContactAlert apiDeleteChat error: \(responseError(error))")
+                let a = getErrorAlert(error, "Error deleting contact")
+                await MainActor.run {
+                    alert = .error(title: a.title, error: a.message)
+                }
+            }
+        }
     }
 
     private func clearChatAlert() -> Alert {
diff --git a/apps/ios/Shared/Views/ChatList/ChatListNavLink.swift b/apps/ios/Shared/Views/ChatList/ChatListNavLink.swift
index f445ae4b5d..be912d666a 100644
--- a/apps/ios/Shared/Views/ChatList/ChatListNavLink.swift
+++ b/apps/ios/Shared/Views/ChatList/ChatListNavLink.swift
@@ -32,6 +32,7 @@ struct ChatListNavLink: View {
     @State private var showJoinGroupDialog = false
     @State private var showContactConnectionInfo = false
     @State private var showInvalidJSON = false
+    @State private var showDeleteContactActionSheet = false
 
     var body: some View {
         switch chat.chatInfo {
@@ -64,17 +65,37 @@ struct ChatListNavLink: View {
                 clearChatButton()
             }
             Button {
-                AlertManager.shared.showAlert(
-                    contact.ready || !contact.active
-                    ? deleteContactAlert(chat.chatInfo)
-                    : deletePendingContactAlert(chat, contact)
-                )
+                if contact.ready || !contact.active {
+                    showDeleteContactActionSheet = true
+                } else {
+                    AlertManager.shared.showAlert(deletePendingContactAlert(chat, contact))
+                }
             } label: {
                 Label("Delete", systemImage: "trash")
             }
             .tint(.red)
         }
         .frame(height: rowHeights[dynamicTypeSize])
+        .actionSheet(isPresented: $showDeleteContactActionSheet) {
+            if contact.ready && contact.active {
+                ActionSheet(
+                    title: Text("Delete contact?\nThis cannot be undone!"),
+                    buttons: [
+                        .destructive(Text("Delete and notify contact")) { Task { await deleteChat(chat, notify: true) } },
+                        .destructive(Text("Delete")) { Task { await deleteChat(chat, notify: false) } },
+                        .cancel()
+                    ]
+                )
+            } else {
+                ActionSheet(
+                    title: Text("Delete contact?\nThis cannot be undone!"),
+                    buttons: [
+                        .destructive(Text("Delete")) { Task { await deleteChat(chat) } },
+                        .cancel()
+                    ]
+                )
+            }
+        }
     }
 
     @ViewBuilder private func groupNavLink(_ groupInfo: GroupInfo) -> some View {
@@ -269,17 +290,6 @@ struct ChatListNavLink: View {
         }
     }
 
-    private func deleteContactAlert(_ chatInfo: ChatInfo) -> Alert {
-        Alert(
-            title: Text("Delete contact?"),
-            message: Text("Contact and all messages will be deleted - this cannot be undone!"),
-            primaryButton: .destructive(Text("Delete")) {
-                Task { await deleteChat(chat) }
-            },
-            secondaryButton: .cancel()
-        )
-    }
-
     private func deleteGroupAlert(_ groupInfo: GroupInfo) -> Alert {
         Alert(
             title: Text("Delete group?"),
diff --git a/apps/ios/SimpleXChat/APITypes.swift b/apps/ios/SimpleXChat/APITypes.swift
index ff1c708514..01937be4ef 100644
--- a/apps/ios/SimpleXChat/APITypes.swift
+++ b/apps/ios/SimpleXChat/APITypes.swift
@@ -89,7 +89,7 @@ public enum ChatCommand {
     case apiSetConnectionIncognito(connId: Int64, incognito: Bool)
     case apiConnectPlan(userId: Int64, connReq: String)
     case apiConnect(userId: Int64, incognito: Bool, connReq: String)
-    case apiDeleteChat(type: ChatType, id: Int64)
+    case apiDeleteChat(type: ChatType, id: Int64, notify: Bool?)
     case apiClearChat(type: ChatType, id: Int64)
     case apiListContacts(userId: Int64)
     case apiUpdateProfile(userId: Int64, profile: Profile)
@@ -232,7 +232,11 @@ public enum ChatCommand {
             case let .apiSetConnectionIncognito(connId, incognito): return "/_set incognito :\(connId) \(onOff(incognito))"
             case let .apiConnectPlan(userId, connReq): return "/_connect plan \(userId) \(connReq)"
             case let .apiConnect(userId, incognito, connReq): return "/_connect \(userId) incognito=\(onOff(incognito)) \(connReq)"
-            case let .apiDeleteChat(type, id): return "/_delete \(ref(type, id))"
+            case let .apiDeleteChat(type, id, notify): if let notify = notify {
+                return "/_delete \(ref(type, id)) notify=\(onOff(notify))"
+            } else {
+                return "/_delete \(ref(type, id))"
+            }
             case let .apiClearChat(type, id): return "/_clear chat \(ref(type, id))"
             case let .apiListContacts(userId): return "/_contacts \(userId)"
             case let .apiUpdateProfile(userId, profile): return "/_profile \(userId) \(encodeJSON(profile))"
diff --git a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/model/SimpleXAPI.kt b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/model/SimpleXAPI.kt
index 813e458b60..e4bc0773e7 100644
--- a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/model/SimpleXAPI.kt
+++ b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/model/SimpleXAPI.kt
@@ -912,8 +912,8 @@ object ChatController {
     }
   }
 
-  suspend fun apiDeleteChat(type: ChatType, id: Long): Boolean {
-    val r = sendCmd(CC.ApiDeleteChat(type, id))
+  suspend fun apiDeleteChat(type: ChatType, id: Long, notify: Boolean? = null): Boolean {
+    val r = sendCmd(CC.ApiDeleteChat(type, id, notify))
     when {
       r is CR.ContactDeleted && type == ChatType.Direct -> return true
       r is CR.ContactConnectionDeleted && type == ChatType.ContactConnection -> return true
@@ -1986,7 +1986,7 @@ sealed class CC {
   class ApiSetConnectionIncognito(val connId: Long, val incognito: Boolean): CC()
   class APIConnectPlan(val userId: Long, val connReq: String): CC()
   class APIConnect(val userId: Long, val incognito: Boolean, val connReq: String): CC()
-  class ApiDeleteChat(val type: ChatType, val id: Long): CC()
+  class ApiDeleteChat(val type: ChatType, val id: Long, val notify: Boolean?): CC()
   class ApiClearChat(val type: ChatType, val id: Long): CC()
   class ApiListContacts(val userId: Long): CC()
   class ApiUpdateProfile(val userId: Long, val profile: Profile): CC()
@@ -2109,7 +2109,11 @@ sealed class CC {
     is ApiSetConnectionIncognito -> "/_set incognito :$connId ${onOff(incognito)}"
     is APIConnectPlan -> "/_connect plan $userId $connReq"
     is APIConnect -> "/_connect $userId incognito=${onOff(incognito)} $connReq"
-    is ApiDeleteChat -> "/_delete ${chatRef(type, id)}"
+    is ApiDeleteChat -> if (notify != null) {
+      "/_delete ${chatRef(type, id)} notify=${onOff(notify)}"
+    } else {
+      "/_delete ${chatRef(type, id)}"
+    }
     is ApiClearChat -> "/_clear chat ${chatRef(type, id)}"
     is ApiListContacts -> "/_contacts $userId"
     is ApiUpdateProfile -> "/_profile $userId ${json.encodeToString(profile)}"
diff --git a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/ChatInfoView.kt b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/ChatInfoView.kt
index 01173157a9..4564a4a6e8 100644
--- a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/ChatInfoView.kt
+++ b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/ChatInfoView.kt
@@ -196,28 +196,67 @@ sealed class SendReceipts {
 }
 
 fun deleteContactDialog(chatInfo: ChatInfo, chatModel: ChatModel, close: (() -> Unit)? = null) {
-  AlertManager.shared.showAlertDialog(
+  AlertManager.shared.showAlertDialogButtonsColumn(
     title = generalGetString(MR.strings.delete_contact_question),
-    text = generalGetString(MR.strings.delete_contact_all_messages_deleted_cannot_undo_warning),
-    confirmText = generalGetString(MR.strings.delete_verb),
-    onConfirm = {
-      withApi {
-        val r = chatModel.controller.apiDeleteChat(chatInfo.chatType, chatInfo.apiId)
-        if (r) {
-          chatModel.removeChat(chatInfo.id)
-          if (chatModel.chatId.value == chatInfo.id) {
-            chatModel.chatId.value = null
-            ModalManager.end.closeModals()
+    text = AnnotatedString(generalGetString(MR.strings.delete_contact_all_messages_deleted_cannot_undo_warning)),
+    buttons = {
+      Column {
+        if (chatInfo is ChatInfo.Direct && chatInfo.contact.ready && chatInfo.contact.active) {
+          // Delete and notify contact
+          SectionItemView({
+            AlertManager.shared.hideAlert()
+            withApi {
+              deleteContact(chatInfo, chatModel, close, notify = true)
+            }
+          }) {
+            Text(generalGetString(MR.strings.delete_and_notify_contact), Modifier.fillMaxWidth(), textAlign = TextAlign.Center, color = MaterialTheme.colors.error)
           }
-          ntfManager.cancelNotificationsForChat(chatInfo.id)
-          close?.invoke()
+          // Delete
+          SectionItemView({
+            AlertManager.shared.hideAlert()
+            withApi {
+              deleteContact(chatInfo, chatModel, close, notify = false)
+            }
+          }) {
+            Text(generalGetString(MR.strings.delete_verb), Modifier.fillMaxWidth(), textAlign = TextAlign.Center, color = MaterialTheme.colors.error)
+          }
+        } else {
+          // Delete
+          SectionItemView({
+            AlertManager.shared.hideAlert()
+            withApi {
+              deleteContact(chatInfo, chatModel, close)
+            }
+          }) {
+            Text(generalGetString(MR.strings.delete_verb), Modifier.fillMaxWidth(), textAlign = TextAlign.Center, color = MaterialTheme.colors.error)
+          }
+        }
+        // Cancel
+        SectionItemView({
+          AlertManager.shared.hideAlert()
+        }) {
+          Text(stringResource(MR.strings.cancel_verb), Modifier.fillMaxWidth(), textAlign = TextAlign.Center, color = MaterialTheme.colors.primary)
         }
       }
-    },
-    destructive = true,
+    }
   )
 }
 
+fun deleteContact(chatInfo: ChatInfo, chatModel: ChatModel, close: (() -> Unit)?, notify: Boolean? = null) {
+  withApi {
+    val r = chatModel.controller.apiDeleteChat(chatInfo.chatType, chatInfo.apiId, notify)
+    if (r) {
+      chatModel.removeChat(chatInfo.id)
+      if (chatModel.chatId.value == chatInfo.id) {
+        chatModel.chatId.value = null
+        ModalManager.end.closeModals()
+      }
+      ntfManager.cancelNotificationsForChat(chatInfo.id)
+      close?.invoke()
+    }
+  }
+}
+
 fun clearChatDialog(chatInfo: ChatInfo, chatModel: ChatModel, close: (() -> Unit)? = null) {
   AlertManager.shared.showAlertDialog(
     title = generalGetString(MR.strings.clear_chat_question),
diff --git a/apps/multiplatform/common/src/commonMain/resources/MR/base/strings.xml b/apps/multiplatform/common/src/commonMain/resources/MR/base/strings.xml
index bd59d236d5..1ae85cd050 100644
--- a/apps/multiplatform/common/src/commonMain/resources/MR/base/strings.xml
+++ b/apps/multiplatform/common/src/commonMain/resources/MR/base/strings.xml
@@ -350,6 +350,7 @@
   <!-- Chat Info Actions - ChatInfoView.kt -->
   <string name="delete_contact_question">Delete contact?</string>
   <string name="delete_contact_all_messages_deleted_cannot_undo_warning">Contact and all messages will be deleted - this cannot be undone!</string>
+  <string name="delete_and_notify_contact">Delete and notify contact</string>
   <string name="button_delete_contact">Delete contact</string>
   <string name="text_field_set_contact_placeholder">Set contact name…</string>
   <string name="icon_descr_server_status_connected">Connected</string>
diff --git a/simplex-chat.cabal b/simplex-chat.cabal
index 2260f46e49..d5d16af85b 100644
--- a/simplex-chat.cabal
+++ b/simplex-chat.cabal
@@ -117,6 +117,7 @@ library
       Simplex.Chat.Migrations.M20231002_conn_initiated
       Simplex.Chat.Migrations.M20231009_via_group_link_uri_hash
       Simplex.Chat.Migrations.M20231010_member_settings
+      Simplex.Chat.Migrations.M20231019_indexes
       Simplex.Chat.Migrations.M20231020_remote_controller
       Simplex.Chat.Mobile
       Simplex.Chat.Mobile.File
diff --git a/src/Simplex/Chat.hs b/src/Simplex/Chat.hs
index a491561cca..5635f2c1f9 100644
--- a/src/Simplex/Chat.hs
+++ b/src/Simplex/Chat.hs
@@ -2286,7 +2286,7 @@ processChatCommand = \case
       case groupLinkId of
         -- contact address
         Nothing ->
-          withStore' (`getUserContactLinkByConnReq` cReqSchemas) >>= \case
+          withStore' (\db -> getUserContactLinkByConnReq db user cReqSchemas) >>= \case
             Just _ -> pure $ CPContactAddress CAPOwnLink
             Nothing -> do
               withStore' (\db -> getContactConnEntityByConnReqHash db user cReqHashes) >>= \case
diff --git a/src/Simplex/Chat/Migrations/M20231019_indexes.hs b/src/Simplex/Chat/Migrations/M20231019_indexes.hs
new file mode 100644
index 0000000000..40412e1778
--- /dev/null
+++ b/src/Simplex/Chat/Migrations/M20231019_indexes.hs
@@ -0,0 +1,32 @@
+{-# LANGUAGE QuasiQuotes #-}
+
+module Simplex.Chat.Migrations.M20231019_indexes where
+
+import Database.SQLite.Simple (Query)
+import Database.SQLite.Simple.QQ (sql)
+
+m20231019_indexes :: Query
+m20231019_indexes =
+  [sql|
+DROP INDEX idx_connections_conn_req_inv;
+CREATE INDEX idx_connections_conn_req_inv ON connections(user_id, conn_req_inv);
+
+DROP INDEX idx_groups_via_group_link_uri_hash;
+CREATE INDEX idx_groups_via_group_link_uri_hash ON groups(user_id, via_group_link_uri_hash);
+
+DROP INDEX idx_connections_via_contact_uri_hash;
+CREATE INDEX idx_connections_via_contact_uri_hash ON connections(user_id, via_contact_uri_hash);
+|]
+
+down_m20231019_indexes :: Query
+down_m20231019_indexes =
+  [sql|
+DROP INDEX idx_connections_conn_req_inv;
+CREATE INDEX idx_connections_conn_req_inv ON connections(conn_req_inv);
+
+DROP INDEX idx_groups_via_group_link_uri_hash;
+CREATE INDEX idx_groups_via_group_link_uri_hash ON groups(via_group_link_uri_hash);
+
+DROP INDEX idx_connections_via_contact_uri_hash;
+CREATE INDEX idx_connections_via_contact_uri_hash ON connections(via_contact_uri_hash);
+|]
diff --git a/src/Simplex/Chat/Migrations/chat_schema.sql b/src/Simplex/Chat/Migrations/chat_schema.sql
index 09ff4b628f..affab73588 100644
--- a/src/Simplex/Chat/Migrations/chat_schema.sql
+++ b/src/Simplex/Chat/Migrations/chat_schema.sql
@@ -540,9 +540,6 @@ CREATE INDEX contact_profiles_index ON contact_profiles(
   full_name
 );
 CREATE INDEX idx_groups_inv_queue_info ON groups(inv_queue_info);
-CREATE INDEX idx_connections_via_contact_uri_hash ON connections(
-  via_contact_uri_hash
-);
 CREATE INDEX idx_contact_requests_xcontact_id ON contact_requests(xcontact_id);
 CREATE INDEX idx_contacts_xcontact_id ON contacts(xcontact_id);
 CREATE INDEX idx_messages_shared_msg_id ON messages(shared_msg_id);
@@ -754,7 +751,15 @@ CREATE INDEX idx_received_probes_probe_hash ON received_probes(probe_hash);
 CREATE INDEX idx_sent_probes_created_at ON sent_probes(created_at);
 CREATE INDEX idx_sent_probe_hashes_created_at ON sent_probe_hashes(created_at);
 CREATE INDEX idx_received_probes_created_at ON received_probes(created_at);
-CREATE INDEX idx_connections_conn_req_inv ON connections(conn_req_inv);
+CREATE INDEX idx_connections_conn_req_inv ON connections(
+  user_id,
+  conn_req_inv
+);
 CREATE INDEX idx_groups_via_group_link_uri_hash ON groups(
+  user_id,
   via_group_link_uri_hash
 );
+CREATE INDEX idx_connections_via_contact_uri_hash ON connections(
+  user_id,
+  via_contact_uri_hash
+);
diff --git a/src/Simplex/Chat/Store/Connections.hs b/src/Simplex/Chat/Store/Connections.hs
index 59ffb57c6e..d73ac705d3 100644
--- a/src/Simplex/Chat/Store/Connections.hs
+++ b/src/Simplex/Chat/Store/Connections.hs
@@ -155,9 +155,9 @@ getConnectionEntity db user@User {userId, userContactId} agentConnId = do
         userContact_ _ = Left SEUserContactLinkNotFound
 
 getConnectionEntityByConnReq :: DB.Connection -> User -> (ConnReqInvitation, ConnReqInvitation) -> IO (Maybe ConnectionEntity)
-getConnectionEntityByConnReq db user (cReqSchema1, cReqSchema2) = do
+getConnectionEntityByConnReq db user@User {userId} (cReqSchema1, cReqSchema2) = do
   connId_ <- maybeFirstRow fromOnly $
-    DB.query db "SELECT agent_conn_id FROM connections WHERE conn_req_inv IN (?,?) LIMIT 1" (cReqSchema1, cReqSchema2)
+    DB.query db "SELECT agent_conn_id FROM connections WHERE user_id = ? AND conn_req_inv IN (?,?) LIMIT 1" (userId, cReqSchema1, cReqSchema2)
   maybe (pure Nothing) (fmap eitherToMaybe . runExceptT . getConnectionEntity db user) connId_
 
 -- search connection for connection plan:
@@ -165,7 +165,7 @@ getConnectionEntityByConnReq db user (cReqSchema1, cReqSchema2) = do
 -- this function searches for latest connection with contact so that "known contact" plan would be chosen;
 -- deleted connections are filtered out to allow re-connecting via same contact address
 getContactConnEntityByConnReqHash :: DB.Connection -> User -> (ConnReqUriHash, ConnReqUriHash) -> IO (Maybe ConnectionEntity)
-getContactConnEntityByConnReqHash db user (cReqHash1, cReqHash2) = do
+getContactConnEntityByConnReqHash db user@User {userId} (cReqHash1, cReqHash2) = do
   connId_ <- maybeFirstRow fromOnly $
     DB.query
       db
@@ -175,12 +175,12 @@ getContactConnEntityByConnReqHash db user (cReqHash1, cReqHash2) = do
             agent_conn_id,
             (CASE WHEN contact_id IS NOT NULL THEN 1 ELSE 0 END) AS conn_ord
           FROM connections
-          WHERE via_contact_uri_hash IN (?,?) AND conn_status != ?
+          WHERE user_id = ? AND via_contact_uri_hash IN (?,?) AND conn_status != ?
           ORDER BY conn_ord DESC, created_at DESC
           LIMIT 1
         )
       |]
-      (cReqHash1, cReqHash2, ConnDeleted)
+      (userId, cReqHash1, cReqHash2, ConnDeleted)
   maybe (pure Nothing) (fmap eitherToMaybe . runExceptT . getConnectionEntity db user) connId_
 
 getConnectionsToSubscribe :: DB.Connection -> IO ([ConnId], [ConnectionEntity])
diff --git a/src/Simplex/Chat/Store/Direct.hs b/src/Simplex/Chat/Store/Direct.hs
index 7227797193..563cc337e0 100644
--- a/src/Simplex/Chat/Store/Direct.hs
+++ b/src/Simplex/Chat/Store/Direct.hs
@@ -167,7 +167,7 @@ getContactByConnReqHash db user@User {userId} cReqHash =
         FROM contacts ct
         JOIN contact_profiles cp ON ct.contact_profile_id = cp.contact_profile_id
         JOIN connections c ON c.contact_id = ct.contact_id
-        WHERE ct.user_id = ? AND c.via_contact_uri_hash = ? AND ct.contact_status = ? AND ct.deleted = 0
+        WHERE c.user_id = ? AND c.via_contact_uri_hash = ? AND ct.contact_status = ? AND ct.deleted = 0
         ORDER BY c.created_at DESC
         LIMIT 1
       |]
diff --git a/src/Simplex/Chat/Store/Groups.hs b/src/Simplex/Chat/Store/Groups.hs
index a4a19816da..76d68cc6be 100644
--- a/src/Simplex/Chat/Store/Groups.hs
+++ b/src/Simplex/Chat/Store/Groups.hs
@@ -1122,16 +1122,16 @@ getGroupInfo db User {userId, userContactId} groupId =
       (groupId, userId, userContactId)
 
 getGroupInfoByUserContactLinkConnReq :: DB.Connection -> User -> (ConnReqContact, ConnReqContact) -> IO (Maybe GroupInfo)
-getGroupInfoByUserContactLinkConnReq db user (cReqSchema1, cReqSchema2) = do
+getGroupInfoByUserContactLinkConnReq db user@User {userId} (cReqSchema1, cReqSchema2) = do
   groupId_ <- maybeFirstRow fromOnly $
     DB.query
       db
       [sql|
         SELECT group_id
         FROM user_contact_links
-        WHERE conn_req_contact IN (?,?)
+        WHERE user_id = ? AND conn_req_contact IN (?,?)
       |]
-      (cReqSchema1, cReqSchema2)
+      (userId, cReqSchema1, cReqSchema2)
   maybe (pure Nothing) (fmap eitherToMaybe . runExceptT . getGroupInfo db user) groupId_
 
 getGroupInfoByGroupLinkHash :: DB.Connection -> User -> (ConnReqUriHash, ConnReqUriHash) -> IO (Maybe GroupInfo)
diff --git a/src/Simplex/Chat/Store/Migrations.hs b/src/Simplex/Chat/Store/Migrations.hs
index 176dc4cbf1..394c121dee 100644
--- a/src/Simplex/Chat/Store/Migrations.hs
+++ b/src/Simplex/Chat/Store/Migrations.hs
@@ -85,6 +85,7 @@ import Simplex.Chat.Migrations.M20230926_contact_status
 import Simplex.Chat.Migrations.M20231002_conn_initiated
 import Simplex.Chat.Migrations.M20231009_via_group_link_uri_hash
 import Simplex.Chat.Migrations.M20231010_member_settings
+import Simplex.Chat.Migrations.M20231019_indexes
 import Simplex.Chat.Migrations.M20231020_remote_controller
 import Simplex.Messaging.Agent.Store.SQLite.Migrations (Migration (..))
 
@@ -171,6 +172,7 @@ schemaMigrations =
     ("20231002_conn_initiated", m20231002_conn_initiated, Just down_m20231002_conn_initiated),
     ("20231009_via_group_link_uri_hash", m20231009_via_group_link_uri_hash, Just down_m20231009_via_group_link_uri_hash),
     ("20231010_member_settings", m20231010_member_settings, Just down_m20231010_member_settings),
+    ("20231019_indexes", m20231019_indexes, Just down_m20231019_indexes),
     ("20231020_remote_controller", m20231020_remote_controller, Just down_m20231020_remote_controller)
   ]
 
diff --git a/src/Simplex/Chat/Store/Profiles.hs b/src/Simplex/Chat/Store/Profiles.hs
index a4ec6cc460..d4ca3193b3 100644
--- a/src/Simplex/Chat/Store/Profiles.hs
+++ b/src/Simplex/Chat/Store/Profiles.hs
@@ -442,17 +442,17 @@ getUserContactLinkById db userId userContactLinkId =
       |]
       (userId, userContactLinkId)
 
-getUserContactLinkByConnReq :: DB.Connection -> (ConnReqContact, ConnReqContact) -> IO (Maybe UserContactLink)
-getUserContactLinkByConnReq db (cReqSchema1, cReqSchema2) =
+getUserContactLinkByConnReq :: DB.Connection -> User -> (ConnReqContact, ConnReqContact) -> IO (Maybe UserContactLink)
+getUserContactLinkByConnReq db User {userId} (cReqSchema1, cReqSchema2) =
   maybeFirstRow toUserContactLink $
     DB.query
       db
       [sql|
         SELECT conn_req_contact, auto_accept, auto_accept_incognito, auto_reply_msg_content
         FROM user_contact_links
-        WHERE conn_req_contact IN (?,?)
+        WHERE user_id = ? AND conn_req_contact IN (?,?)
       |]
-      (cReqSchema1, cReqSchema2)
+      (userId, cReqSchema1, cReqSchema2)
 
 updateUserAddressAutoAccept :: DB.Connection -> User -> Maybe AutoAccept -> ExceptT StoreError IO UserContactLink
 updateUserAddressAutoAccept db user@User {userId} autoAccept = do
diff --git a/tests/SchemaDump.hs b/tests/SchemaDump.hs
index f4538e4b3b..f517d13df1 100644
--- a/tests/SchemaDump.hs
+++ b/tests/SchemaDump.hs
@@ -71,7 +71,9 @@ skipComparisonForDownMigrations =
     -- on down migration idx_chat_items_timed_delete_at index moves down to the end of the file
     "20230529_indexes",
     -- table and index definitions move down the file, so fields are re-created as not unique
-    "20230914_member_probes"
+    "20230914_member_probes",
+    -- on down migration idx_connections_via_contact_uri_hash index moves down to the end of the file
+    "20231019_indexes"
   ]
 
 getSchema :: FilePath -> FilePath -> IO String