diff --git a/test/helpers/browser.js b/test/helpers/browser.js
index 8b6f03d..e1f00fd 100644
--- a/test/helpers/browser.js
+++ b/test/helpers/browser.js
@@ -7,6 +7,7 @@ var vm = require('vm');
 
 function createContext() {
   var context = {
+    self: context,
     // required by browserify
     XMLHttpRequest: function() { throw new Error('not implemented'); },
     FormData: function() { throw new Error('not implemented'); },