diff --git a/packages/mern-sample-app/app-node-express/src/env.ts b/packages/mern-sample-app/app-node-express/src/env.ts
index 7aa6b66f..2606f673 100644
--- a/packages/mern-sample-app/app-node-express/src/env.ts
+++ b/packages/mern-sample-app/app-node-express/src/env.ts
@@ -286,9 +286,11 @@ function parseEnvironmentVars() {
     throw new Error(error);
   }
 
+  const PORT = process.env.PORT ?? process.env.SERVER_PORT;
+
   return {
     ...parsedResults.data,
-    SERVER_URL: `${process.env.SERVER_DOMAIN!}:${process.env.SERVER_PORT!}`,
+    SERVER_URL: `${process.env.SERVER_DOMAIN!}:${PORT!}`,
   } as const;
 }