diff --git a/src/app_service/service/chat/service.nim b/src/app_service/service/chat/service.nim
index b79ed3587e..729080c529 100644
--- a/src/app_service/service/chat/service.nim
+++ b/src/app_service/service/chat/service.nim
@@ -282,6 +282,8 @@ QtObject:
       return false
 
     for chat in self.channelGroups[communityId].chats:
+      if chat.categoryId != categoryId:
+        continue
       if chat.unviewedMessagesCount > 0 or chat.unviewedMentionsCount > 0:
         return true
     return false