diff --git a/guides/bug_report_templates/action_controller_master.rb b/guides/bug_report_templates/action_controller_master.rb
index 6d53e957d9..682269163a 100644
--- a/guides/bug_report_templates/action_controller_master.rb
+++ b/guides/bug_report_templates/action_controller_master.rb
@@ -14,6 +14,7 @@ require "action_controller/railtie"
 
 class TestApp < Rails::Application
   config.root = __dir__
+  config.hosts << "example.org"
   secrets.secret_key_base = "secret_key_base"
 
   config.logger = Logger.new($stdout)