diff --git a/lodash.js b/lodash.js
index 38b4535f6..c31ab1ad1 100644
--- a/lodash.js
+++ b/lodash.js
@@ -374,7 +374,7 @@
   var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;
 
   /** Detect free variable `module`. */
-  var freeModule = freeExports && typeof module == 'object' && !module.nodeType && module;
+  var freeModule = freeExports && typeof module == 'object' && module && !module.nodeType && module;
 
   /** Detect the popular CommonJS extension `module.exports`. */
   var moduleExports = freeModule && freeModule.exports === freeExports;