diff --git a/app/models/search_log.rb b/app/models/search_log.rb
index 8cabdbfee95..8308a244437 100644
--- a/app/models/search_log.rb
+++ b/app/models/search_log.rb
@@ -58,6 +58,7 @@ class SearchLog < ActiveRecord::Base
                            END) AS click_through,
                        MODE() WITHIN GROUP (ORDER BY clicked_topic_id) AS clicked_topic_id,
                        COUNT(DISTINCT ip_address) AS unique")
+      .includes(:topic)
       .where('created_at > ?', start_of(period))
       .group(:term)
       .order('COUNT(DISTINCT ip_address) DESC')