diff --git a/server.js b/server.js
index c9ba82c..2efd32c 100644
--- a/server.js
+++ b/server.js
@@ -5,6 +5,6 @@ app.get('/', function(req, res){
     res.send('works');
 });
 
-app.listen(3000, function(){
+app.listen(process.env.PORT, function(){
     console.log('listening');
 });