diff --git a/src/vs/css.js b/src/vs/css.js
index 4e1ad32966e6005cfa52bcd59995f213c389c42e..28047d44cb3de7ca1f61532d4bda401d5def2f1a 100644
--- a/src/vs/css.js
+++ b/src/vs/css.js
@@ -22,7 +22,7 @@ var __extends = (this && this.__extends) || function (d, b) {
 var _cssPluginGlobal = this;
 var CSSLoaderPlugin;
 (function (CSSLoaderPlugin) {
-    var global = _cssPluginGlobal;
+    var global = _cssPluginGlobal || {};
     /**
      * Known issue:
      * - In IE there is no way to know if the CSS file loaded successfully or not.
diff --git a/src/vs/nls.js b/src/vs/nls.js
index 379f112f9d81789ede3f3c90370d8c512a2690f5..f1ccdc132d9371107f062f89d9fcfc03721cbd8b 100644
--- a/src/vs/nls.js
+++ b/src/vs/nls.js
@@ -17,7 +17,7 @@
 var _nlsPluginGlobal = this;
 var NLSLoaderPlugin;
 (function (NLSLoaderPlugin) {
-    var global = _nlsPluginGlobal;
+    var global = _nlsPluginGlobal || {};
     var Resources = global.Plugin && global.Plugin.Resources ? global.Plugin.Resources : undefined;
     var DEFAULT_TAG = 'i-default';
     var IS_PSEUDO = (global && global.document && global.document.location && global.document.location.hash.indexOf('pseudo=true') >= 0);