diff --git a/app/models/card/readable.rb b/app/models/card/readable.rb
index 652bb2fce..b37538b9b 100644
--- a/app/models/card/readable.rb
+++ b/app/models/card/readable.rb
@@ -20,14 +20,14 @@ module Card::Readable
       events + comment_creation_events
     end
 
-    def mention_notification_sources
-      mentions + comment_mentions
-    end
-
     def comment_creation_events
       Event.where(eventable: comments)
     end
 
+    def mention_notification_sources
+      mentions + comment_mentions
+    end
+
     def comment_mentions
       Mention.where(source: comments)
     end