diff --git a/lib/http-proxy/index.js b/lib/http-proxy/index.js
index 290569a3e..994781a9b 100644
--- a/lib/http-proxy/index.js
+++ b/lib/http-proxy/index.js
@@ -111,7 +111,7 @@ function ProxyServer(options) {
 
 require('util').inherits(ProxyServer, EE3);
 
-ProxyServer.prototype.listen = function(port) {
+ProxyServer.prototype.listen = function(port, hostname) {
   var self    = this,
       closure = function(req, res) { self.web(req, res); };
 
@@ -123,7 +123,7 @@ ProxyServer.prototype.listen = function(port) {
     this._server.on('upgrade', function(req, socket, head) { self.ws(req, socket, head); });
   }
 
-  this._server.listen(port);
+  this._server.listen(port, hostname);
 
   return this;
 };