diff --git a/website/server/models/group.js b/website/server/models/group.js
index 35e35b3b86..dbf17f3f10 100644
--- a/website/server/models/group.js
+++ b/website/server/models/group.js
@@ -403,6 +403,7 @@ schema.statics.toJSONCleanChat = async function groupToJSONCleanChat (group, use
         if (user._id !== chatMsg.uuid && chatMsg.flagCount >= CHAT_FLAG_LIMIT_FOR_HIDING) {
           return undefined;
         }
+        chatMsg.flagCount = 0;
       }
 
       return chatMsg;