diff --git a/demo/demo.js b/demo/demo.js
index 686bb5c..6d4af34 100644
--- a/demo/demo.js
+++ b/demo/demo.js
@@ -1,4 +1,4 @@
-var sys = require('sys')
+var util = require('util')
   , HDFS = require('../node-hdfs');
 
 var hdfs = new HDFS({host:"default", port:0});