diff --git a/lib/http-proxy/index.js b/lib/http-proxy/index.js
index 977a4b362..9b9bf5a2f 100644
--- a/lib/http-proxy/index.js
+++ b/lib/http-proxy/index.js
@@ -1,5 +1,4 @@
 var httpProxy = module.exports,
-    extend    = require('util')._extend,
     parse_url = require('url').parse,
     EE3       = require('eventemitter3'),
     http      = require('http'),
@@ -47,9 +46,9 @@ function createRightProxy(type) {
         args[cntr] !== res
       ) {
         //Copy global options
-        requestOptions = extend({}, options);
+        requestOptions = Object.extend({}, options);
         //Overwrite with request options
-        extend(requestOptions, args[cntr]);
+        Object.extend(requestOptions, args[cntr]);
 
         cntr--;
       }