diff --git a/lib/util.js b/lib/util.js
index 6fed1963..f79c5961 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -649,11 +649,11 @@
          * 
          * @param array
          */
-        this.slice                  = function(array, count) {
+        this.slice                  = function(array, begin, end) {
             var ret = [];
             
             if (array)
-                ret = [].slice.call(array, count);
+                ret = [].slice.call(array, begin, end);
             
             return ret;
         };