diff --git a/app/views/graduation_topics/_graduation_comments.json.jbuilder b/app/views/graduation_topics/_graduation_comments.json.jbuilder
index ee9ed7529..51551d95d 100644
--- a/app/views/graduation_topics/_graduation_comments.json.jbuilder
+++ b/app/views/graduation_topics/_graduation_comments.json.jbuilder
@@ -11,6 +11,6 @@ if message.m_parent_id
   json.can_delete message.can_delete(identity)
 else
   json.praise_count message.praise_treads.select{|pt| pt.praise_or_tread == 1}.count
-  json.user_praise message.praise_treads.select{|pt| pt.praise_or_tread == 1 && user_id == current_user.id}.count
+  json.user_praise message.praise_treads.select{|pt| pt.praise_or_tread == 1 && pt.user_id == current_user.id}.count
   json.child_message_count message.m_reply_count
 end