diff --git a/lib/marked.js b/lib/marked.js
index 69b0e05e8e..06987f02b0 100644
--- a/lib/marked.js
+++ b/lib/marked.js
@@ -1369,14 +1369,11 @@ marked.inlineLexer = InlineLexer.output;
 
 marked.parse = marked;
 
-if (typeof module !== 'undefined' && typeof exports === 'object') {
+if (module !== void 0 && typeof exports === 'object') {
   module.exports = marked;
 } else if (typeof define === 'function' && define.amd) {
   define(function() { return marked; });
 } else {
-  this.marked = marked;
+  (this || (window !== void 0 ? window : global)).marked = marked;
 }
-
-}).call(function() {
-  return this || (typeof window !== 'undefined' ? window : global);
-}());
+})();