diff --git a/index.js b/index.js
index 4c667c6..1bf7d75 100644
--- a/index.js
+++ b/index.js
@@ -4,7 +4,7 @@ const luxon = require('luxon');
 const { WebUntis } = require('webuntis');
 
 const app = express()
-const port = process.env.PORT || 3000
+const port = process.env.PORT;
 
 app.get('/', (req, res) => {
   res.send('server is running')