diff --git a/packages/backend/src/server.ts b/packages/backend/src/server.ts
index cce3793..ed2085e 100644
--- a/packages/backend/src/server.ts
+++ b/packages/backend/src/server.ts
@@ -1,8 +1,8 @@
 // backend/src/server.ts
 import app from "./app";
 
-const PORT = process.env.PORT || 5000;
+const PORT = process.env.PORT ? +process.env.PORT : 5000;
 
-app.listen(PORT, () => {
+app.listen(PORT, "0.0.0.0", () => {
   console.log(`Server running on http://localhost:${PORT}`);
 });