diff --git a/Readme.md b/Readme.md
index 8e207161a2..306833c085 100644
--- a/Readme.md
+++ b/Readme.md
@@ -12,6 +12,7 @@ io.on('connection', function(socket){
   socket.on('event', function(data){});
   socket.on('disconnect', function(){});
 });
+server.listen(3000);
 ```
 
 ### In conjunction with `Express`
@@ -26,6 +27,7 @@ var app = require('express')();
 var server = require('http').Server(app);
 var io = require('socket.io')(server);
 io.on('connection', function(){ // … });
+server.listen(3000);
 ```
 
 ## API