diff --git a/phpBB/includes/functions_module.php b/phpBB/includes/functions_module.php
index cd84902acf..53055752f6 100644
--- a/phpBB/includes/functions_module.php
+++ b/phpBB/includes/functions_module.php
@@ -334,7 +334,7 @@ class p_master
 	static function module_auth($module_auth, $forum_id)
 	{
 		global $auth, $config;
-		global $request, $phpbb_extension_manager;
+		global $request, $phpbb_extension_manager, $phpbb_dispatcher;
 
 		$module_auth = trim($module_auth);