diff --git a/db/migrate/20170303070706_add_index_to_topic_view_items.rb b/db/migrate/20170303070706_add_index_to_topic_view_items.rb
new file mode 100644
index 00000000000..d3410816c2c
--- /dev/null
+++ b/db/migrate/20170303070706_add_index_to_topic_view_items.rb
@@ -0,0 +1,5 @@
+class AddIndexToTopicViewItems < ActiveRecord::Migration
+  def change
+    add_index :topic_views, [:user_id, :viewed_at]
+  end
+end