diff --git a/index.js b/index.js
index a968c66..90b526f 100644
--- a/index.js
+++ b/index.js
@@ -87,8 +87,8 @@ app.post('/shorten', (req, res) => { // Shorten URL
 	});
 });
 
+port = process.env.SERVER_PORT || 3000;
 
-
-app.listen(3000, () => {
+app.listen(port, () => {
 	console.log('Server is running on port 3000');
 });
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