diff --git a/lib/index.js b/lib/index.js
index 32e3ea7..ca9f882 100644
--- a/lib/index.js
+++ b/lib/index.js
@@ -30,4 +30,4 @@ server.get('/', function(req, res){
     return res.end(JSON.stringify(answer));
 });
 
-server.listen(9000);
+server.listen(process.env.PORT || 8080);