diff --git a/app/models/topic.rb b/app/models/topic.rb
index 40e22fb82a6..3c602f2f0f8 100644
--- a/app/models/topic.rb
+++ b/app/models/topic.rb
@@ -286,6 +286,7 @@ class Topic < ActiveRecord::Base
            dependent: :destroy
 
   has_one :top_topic
+  has_one :topic_hot_score
   has_one :shared_draft, dependent: :destroy
   has_one :published_page