diff --git a/app.js b/app.js
index b19b823da0..dd9f3b6d77 100644
--- a/app.js
+++ b/app.js
@@ -18,6 +18,7 @@
 
 
 "use strict";
+/*global require, global, process*/
 
 var nconf = require('nconf');
 nconf.argv().env();