diff --git a/lib/utils.js b/lib/utils.js
index 976ca6c0..7764b45e 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -11,7 +11,6 @@ define(
   function(debug) {
     'use strict';
 
-    var arry = [];
     var DEFAULT_INTERVAL = 100;
 
     function canWriteProtect() {
@@ -35,7 +34,12 @@ define(
       },
 
       toArray: function(obj, from) {
-        return arry.slice.call(obj, from);
+        from = from || 0;
+        var len = obj.length, arr = new Array(len - from);
+        for (var i = from; i < len; i++) {
+          arr[i - from] = obj[i];
+        }
+        return arr;
       },
 
       // returns new object representing multiple objects merged together