--- a/extension.js
+++ b/extension.js
@@ -20,6 +20,8 @@
 const ExtensionUtils = imports.misc.extensionUtils;
 const Me = ExtensionUtils.getCurrentExtension();

+imports.gi.GIRepository.Repository.prepend_search_path('@gmenu_path@');
+
 const Constants = Me.imports.constants;
 const Controller = Me.imports.controller;