diff --git a/src/ng/filter/orderBy.js b/src/ng/filter/orderBy.js
index 078103dea79a..3dc947570e91 100644
--- a/src/ng/filter/orderBy.js
+++ b/src/ng/filter/orderBy.js
@@ -146,9 +146,7 @@ function orderByFilter($parse) {
         return compare(get(a),get(b));
       }, descending);
     });
-    var arrayCopy = [];
-    for (var i = 0; i < array.length; i++) { arrayCopy.push(array[i]); }
-    return arrayCopy.sort(reverseComparator(comparator, reverseOrder));
+    return slice.call(array).sort(reverseComparator(comparator, reverseOrder));
 
     function comparator(o1, o2) {
       for (var i = 0; i < sortPredicate.length; i++) {