diff --git a/src/app.js b/src/app.js
index de9f10b..f757bed 100644
--- a/src/app.js
+++ b/src/app.js
@@ -32,10 +32,10 @@
 
 setupMiddleware(app);
 
-port = process.env.PORT || 3400
+port = process.env.PORT || 3400;
 
 app.listen(port, () => {
-  console.log("Server listening on http://localhost:3400");
+  console.log(`Server listening on http://localhost:${port}`);
 });
 
 // Global error handlers for uncaught exceptions and rejections