diff --git a/apps/ios/Shared/Views/Chat/ChatItem/CIRcvDecryptionError.swift b/apps/ios/Shared/Views/Chat/ChatItem/CIRcvDecryptionError.swift
index d8a560640e..3ad45d6987 100644
--- a/apps/ios/Shared/Views/Chat/ChatItem/CIRcvDecryptionError.swift
+++ b/apps/ios/Shared/Views/Chat/ChatItem/CIRcvDecryptionError.swift
@@ -165,6 +165,8 @@ struct CIRcvDecryptionError: View {
             message = Text("\(msgCount) messages failed to decrypt.") + Text("\n") + why
         case .other:
             message = Text("\(msgCount) messages failed to decrypt.") + Text("\n") + why
+        case .ratchetSync:
+            message = Text("Encryption re-negotiation failed.")
         }
         return message
     }
diff --git a/apps/ios/SimpleXChat/ChatTypes.swift b/apps/ios/SimpleXChat/ChatTypes.swift
index f8a6d78a53..551ed2794d 100644
--- a/apps/ios/SimpleXChat/ChatTypes.swift
+++ b/apps/ios/SimpleXChat/ChatTypes.swift
@@ -2676,6 +2676,7 @@ public enum MsgDecryptError: String, Decodable {
     case tooManySkipped
     case ratchetEarlier
     case other
+    case ratchetSync
 
     var text: String {
         switch self {
@@ -2683,6 +2684,7 @@ public enum MsgDecryptError: String, Decodable {
         case .tooManySkipped: return NSLocalizedString("Permanent decryption error", comment: "message decrypt error item")
         case .ratchetEarlier: return NSLocalizedString("Decryption error", comment: "message decrypt error item")
         case .other: return NSLocalizedString("Decryption error", comment: "message decrypt error item")
+        case .ratchetSync: return NSLocalizedString("Encryption re-negotiation error", comment: "message decrypt error item")
         }
     }
 }
diff --git a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/model/ChatModel.kt b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/model/ChatModel.kt
index 2de944f592..c3ec33e0c2 100644
--- a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/model/ChatModel.kt
+++ b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/model/ChatModel.kt
@@ -2111,13 +2111,15 @@ enum class MsgDecryptError {
   @SerialName("ratchetHeader") RatchetHeader,
   @SerialName("tooManySkipped") TooManySkipped,
   @SerialName("ratchetEarlier") RatchetEarlier,
-  @SerialName("other") Other;
+  @SerialName("other") Other,
+  @SerialName("ratchetSync") RatchetSync;
 
   val text: String get() = when (this) {
     RatchetHeader -> generalGetString(MR.strings.decryption_error)
     TooManySkipped -> generalGetString(MR.strings.decryption_error)
     RatchetEarlier -> generalGetString(MR.strings.decryption_error)
     Other -> generalGetString(MR.strings.decryption_error)
+    RatchetSync -> generalGetString(MR.strings.encryption_renegotiation_error)
   }
 }
 
diff --git a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/ChatView.kt b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/ChatView.kt
index 2d526c513a..527d68a523 100644
--- a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/ChatView.kt
+++ b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/ChatView.kt
@@ -895,7 +895,7 @@ fun BoxWithConstraintsScope.ChatItemsList(
 
         @Composable
         fun ChatItemViewShortHand(cItem: ChatItem, range: IntRange?) {
-          ChatItemView(chat.chatInfo, cItem, composeState, provider, useLinkPreviews = useLinkPreviews, linkMode = linkMode, revealed = revealed, range = range, deleteMessage = deleteMessage, deleteMessages = deleteMessages, receiveFile = receiveFile, cancelFile = cancelFile, joinGroup = { _, _ -> }, acceptCall = acceptCall, acceptFeature = acceptFeature, openDirectChat = openDirectChat, updateContactStats = updateContactStats, updateMemberStats = updateMemberStats, syncContactConnection = syncContactConnection, syncMemberConnection = syncMemberConnection, findModelChat = findModelChat, findModelMember = findModelMember, scrollToItem = scrollToItem, setReaction = setReaction, showItemDetails = showItemDetails, developerTools = developerTools)
+          ChatItemView(chat.chatInfo, cItem, composeState, provider, useLinkPreviews = useLinkPreviews, linkMode = linkMode, revealed = revealed, range = range, deleteMessage = deleteMessage, deleteMessages = deleteMessages, receiveFile = receiveFile, cancelFile = cancelFile, joinGroup = joinGroup, acceptCall = acceptCall, acceptFeature = acceptFeature, openDirectChat = openDirectChat, updateContactStats = updateContactStats, updateMemberStats = updateMemberStats, syncContactConnection = syncContactConnection, syncMemberConnection = syncMemberConnection, findModelChat = findModelChat, findModelMember = findModelMember, scrollToItem = scrollToItem, setReaction = setReaction, showItemDetails = showItemDetails, developerTools = developerTools)
         }
 
         @Composable
diff --git a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/item/CIRcvDecryptionError.kt b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/item/CIRcvDecryptionError.kt
index ecf7f10dd9..318735d73e 100644
--- a/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/item/CIRcvDecryptionError.kt
+++ b/apps/multiplatform/common/src/commonMain/kotlin/chat/simplex/common/views/chat/item/CIRcvDecryptionError.kt
@@ -218,5 +218,7 @@ private fun alertMessage(msgDecryptError: MsgDecryptError, msgCount: UInt): Stri
 
     MsgDecryptError.Other -> String.format(generalGetString(MR.strings.alert_text_decryption_error_n_messages_failed_to_decrypt), msgCount.toLong()) + "\n" +
         generalGetString(MR.strings.alert_text_fragment_encryption_out_of_sync_old_database)
+
+    MsgDecryptError.RatchetSync -> generalGetString(MR.strings.alert_text_encryption_renegotiation_failed)
   }
 }
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 9889d6ab70..b2f3e2f635 100644
--- a/apps/multiplatform/common/src/commonMain/resources/MR/base/strings.xml
+++ b/apps/multiplatform/common/src/commonMain/resources/MR/base/strings.xml
@@ -45,6 +45,7 @@
   <string name="invalid_chat">invalid chat</string>
   <string name="invalid_data">invalid data</string>
   <string name="decryption_error">Decryption error</string>
+  <string name="encryption_renegotiation_error">Encryption re-negotiation error</string>
 
   <!-- PendingContactConnection - ChatModel.kt -->
   <string name="connection_local_display_name">connection %1$d</string>
@@ -866,6 +867,7 @@
   <string name="alert_text_decryption_error_n_messages_failed_to_decrypt">%1$d messages failed to decrypt.</string>
   <string name="alert_text_decryption_error_too_many_skipped">%1$d messages skipped.</string>
   <string name="alert_text_fragment_encryption_out_of_sync_old_database">It can happen when you or your connection used the old database backup.</string>
+  <string name="alert_text_encryption_renegotiation_failed">Encryption re-negotiation failed.</string>
   <string name="alert_text_fragment_please_report_to_developers">Please report it to the developers.</string>
 
   <!-- Privacy settings -->