diff --git a/lodash.js b/lodash.js
index c21b0958b..e42407dca 100644
--- a/lodash.js
+++ b/lodash.js
@@ -371,10 +371,10 @@
   var root = freeGlobal || freeSelf || Function('return this')();
 
   /** Detect free variable `exports`. */
-  var freeExports = freeGlobal && typeof exports == 'object' && exports;
+  var freeExports = typeof exports == 'object' && exports && !exports.nodeType && exports;
 
   /** Detect free variable `module`. */
-  var freeModule = freeExports && typeof module == 'object' && module;
+  var freeModule = freeExports && typeof module == 'object' && !module.nodeType && module;
 
   /** Detect the popular CommonJS extension `module.exports`. */
   var moduleExports = freeModule && freeModule.exports === freeExports;