diff --git a/app/controllers/embed_controller.rb b/app/controllers/embed_controller.rb
index 93c94175521..3c3fe259302 100644
--- a/app/controllers/embed_controller.rb
+++ b/app/controllers/embed_controller.rb
@@ -1,5 +1,7 @@
 # frozen_string_literal: true
 
+require_dependency 'topic_query_params'
+
 class EmbedController < ApplicationController
   include TopicQueryParams