diff --git a/app.js b/app.js
index 3503b9c..95f42de 100644
--- a/app.js
+++ b/app.js
@@ -29,7 +29,7 @@
     return res.render('index');
   });
 
-  app.listen(3000);
+  app.listen(process.env.PORT || 3000);
 
   console.log("Express server listening on port %d in %s mode", app.address().port, app.settings.env);
 
diff --git a/src/app.coffee b/src/app.coffee
index a9d8485..d79f2ce 100644
--- a/src/app.coffee
+++ b/src/app.coffee
@@ -1,5 +1,4 @@
 # Module Dependencies
-
 express = require 'express'
 app = module.exports = express.createServer()
 
@@ -26,7 +25,6 @@ app.get '/', (req, res) ->
 
 
 # Set port and start server.
-app.listen 3000
 app.listen process.env.PORT || 3000
 
 console.log "Express server listening on port %d in %s mode",