diff --git a/app/services/system_note_service.rb b/app/services/system_note_service.rb
index bf251816e7e8711cc917817194912446327a388e..1ce66d50368805498468337c29c2831463b7de8d 100644
--- a/app/services/system_note_service.rb
+++ b/app/services/system_note_service.rb
@@ -347,7 +347,7 @@ module SystemNoteService
       notes = notes.where(noteable_id: noteable.id)
     end
 
-    notes_for_mentioner(mentioner, noteable, notes).count > 0
+    notes_for_mentioner(mentioner, noteable, notes).exists?
   end
 
   # Build an Array of lines detailing each commit added in a merge request