diff --git a/src/main.ts b/src/main.ts
index 505ada1..e12915e 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -19,7 +19,7 @@ async function bootstrap() {
           'modules/health/interface/grpc-controllers/health.proto',
         ),
       ],
-      url: process.env.SERVICE_URL + ':' + process.env.SERVICE_PORT,
+      url: `${process.env.SERVICE_URL}:${process.env.SERVICE_PORT}`,
       loader: { keepCase: true },
     },
   });