diff --git a/plugins/c9.ide.browsersupport/browsersupport.js b/plugins/c9.ide.browsersupport/browsersupport.js
index ea9c1190..48e6dac9 100644
--- a/plugins/c9.ide.browsersupport/browsersupport.js
+++ b/plugins/c9.ide.browsersupport/browsersupport.js
@@ -9,6 +9,7 @@ define(function(require, exports, module) {
         var Plugin = imports.Plugin;
         
         require("ace/lib/es5-shim");
+        require("ace/lib/es6-shim");
         var useragent = require("ace/lib/useragent");
         var dom = require("ace/lib/dom");