diff --git a/lib/philomena_web/controllers/topic_controller.ex b/lib/philomena_web/controllers/topic_controller.ex
index ec99ef50..6d837341 100644
--- a/lib/philomena_web/controllers/topic_controller.ex
+++ b/lib/philomena_web/controllers/topic_controller.ex
@@ -10,6 +10,8 @@ defmodule PhilomenaWeb.TopicController do
   plug PhilomenaWeb.FilterBannedUsersPlug when action in [:new, :create]
   plug PhilomenaWeb.UserAttributionPlug when action in [:new, :create]
   plug PhilomenaWeb.AdvertPlug when action in [:show]
+
+  plug PhilomenaWeb.CanaryMapPlug, new: :show, create: :show
   plug :load_and_authorize_resource, model: Forum, id_name: "forum_id", id_field: "short_name", persisted: true
 
   def show(conn, %{"id" => slug} = params) do