diff --git a/lodash.js b/lodash.js
index 9e7ccf7bb..86b22c9b1 100644
--- a/lodash.js
+++ b/lodash.js
@@ -6160,7 +6160,7 @@
      */
     function initCloneArray(array) {
       var length = array.length,
-          result = array.constructor(length);
+          result = new array.constructor(length);
 
       // Add properties assigned by `RegExp#exec`.
       if (length && typeof array[0] == 'string' && hasOwnProperty.call(array, 'index')) {