diff --git a/extensions/mentions/src/Listener/UpdateMentionsMetadataWhenVisible.php b/extensions/mentions/src/Listener/UpdateMentionsMetadataWhenVisible.php
index 67900b3ed..a2d01f521 100755
--- a/extensions/mentions/src/Listener/UpdateMentionsMetadataWhenVisible.php
+++ b/extensions/mentions/src/Listener/UpdateMentionsMetadataWhenVisible.php
@@ -55,6 +55,7 @@ class UpdateMentionsMetadataWhenVisible
     protected function syncUserMentions(Post $post, array $mentioned)
     {
         $post->mentionsUsers()->sync($mentioned);
+        $post->unsetRelation('mentionsUsers');
 
         $users = User::whereIn('id', $mentioned)
             ->get()
@@ -69,6 +70,7 @@ class UpdateMentionsMetadataWhenVisible
     protected function syncPostMentions(Post $reply, array $mentioned)
     {
         $reply->mentionsPosts()->sync($mentioned);
+        $reply->unsetRelation('mentionsPosts');
 
         $posts = Post::with('user')
             ->whereIn('id', $mentioned)