diff --git a/apps/ios/Shared/Model/ChatModel.swift b/apps/ios/Shared/Model/ChatModel.swift
index 76b71f0117..d247ac9ebd 100644
--- a/apps/ios/Shared/Model/ChatModel.swift
+++ b/apps/ios/Shared/Model/ChatModel.swift
@@ -387,6 +387,7 @@ final class ChatModel: ObservableObject {
 
     // ItemsModel for secondary chat view (such as support scope chat), as opposed to ItemsModel.shared used for primary chat
     @Published var secondaryIM: ItemsModel? = nil
+    @Published var secondaryPendingInviteeChatOpened = false
 
     static var ok: Bool { ChatModel.shared.chatDbStatus == .ok }
 
diff --git a/apps/ios/Shared/Model/SimpleXAPI.swift b/apps/ios/Shared/Model/SimpleXAPI.swift
index 969661fe6c..6e704daaa5 100644
--- a/apps/ios/Shared/Model/SimpleXAPI.swift
+++ b/apps/ios/Shared/Model/SimpleXAPI.swift
@@ -2285,11 +2285,17 @@ func processReceivedMsg(_ res: ChatEvent) async {
             }
         }
     case let .userJoinedGroup(user, groupInfo):
-        // TODO [knocking] close support scope for this group if it's currently opened
         if active(user) {
             await MainActor.run {
                 m.updateGroup(groupInfo)
             }
+            if m.chatId == groupInfo.id,
+               case .memberSupport(nil) = m.secondaryIM?.groupScopeInfo {
+                await MainActor.run {
+                    m.secondaryPendingInviteeChatOpened = false
+                    m.secondaryIM = nil
+                }
+            }
         }
     case let .joinedGroupMember(user, groupInfo, member):
         if active(user) {
diff --git a/apps/ios/Shared/Views/Chat/ChatView.swift b/apps/ios/Shared/Views/Chat/ChatView.swift
index 2dcac773eb..e6df139569 100644
--- a/apps/ios/Shared/Views/Chat/ChatView.swift
+++ b/apps/ios/Shared/Views/Chat/ChatView.swift
@@ -234,6 +234,7 @@ struct ChatView: View {
                groupInfo.membership.memberPending {
                 let secIM = ItemsModel(secondaryIMFilter: .groupChatScopeContext(groupScopeInfo: userSupportScopeInfo))
                 secIM.loadOpenChat(chat.id) {
+                    chatModel.secondaryPendingInviteeChatOpened = true
                     showUserSupportChatSheet = true
                 }
             }
@@ -268,6 +269,11 @@ struct ChatView: View {
                 dismiss()
             }
         }
+        .onChange(of: chatModel.secondaryPendingInviteeChatOpened) { opened in
+            if im.secondaryIMFilter != nil && !opened {
+                dismiss()
+            }
+        }
         .onChange(of: chatModel.openAroundItemId) { openAround in
             if let openAround {
                 closeSearch()