diff --git a/lodash.js b/lodash.js
index fa484326d..f8cce34a6 100644
--- a/lodash.js
+++ b/lodash.js
@@ -129,7 +129,11 @@
    * @returns {Function} Returns the `lodash` function.
    */
   function runInContext(context) {
-    context = context ? _.defaults({}, context, _.pick(window, contextProps)) : window;
+    // Avoid issues with some ES3 environments that attempt to use values, named
+    // after built-in constructors like `Object`, for the creation of literals.
+    // ES5 clears this up by stating that literals must use built-in constructors.
+    // See http://es5.github.com/#x11.1.5.
+    context = context ? _.defaults(window.Object(), context, _.pick(window, contextProps)) : window;
 
     /** Native constructor references */
     var Array = context.Array,