diff --git a/browser-atob.js b/browser-atob.js
index 3eb0262..f5fc8bc 100644
--- a/browser-atob.js
+++ b/browser-atob.js
@@ -29,4 +29,8 @@
   }
 
   w.atob = atob;
+
+  if (typeof module !== 'undefined') {
+    module.exports = atob;
+  }
 }(window));
diff --git a/test.js b/test.js
index f8903d0..e499dd5 100644
--- a/test.js
+++ b/test.js
@@ -2,7 +2,7 @@
 (function () {
   "use strict";
 
-  var atob = require('./index')
+  var atob = require('.')
     , encoded = "SGVsbG8gV29ybGQ="
     , unencoded = "Hello World"
   /*