diff --git a/src/app.ts b/src/app.ts
index 588d6a1..9adc9b3 100644
--- a/src/app.ts
+++ b/src/app.ts
@@ -6,13 +6,14 @@ import { config, e as errors } from './config';
 import loaders from "./loaders/index";
 import { ErrorHandler } from './middlewares/ErrorHandler';
 
+const CONTROLLERS_FILE_EXTENSION = process.env.NODE_ENV === 'production' ? 'js' : 'ts';
 const app = createExpressServer({
   authorizationChecker: authchecker,
   middlewares: [ErrorHandler],
   development: config.development,
   cors: true,
   routePrefix: "/api",
-  controllers: [__dirname + "/controllers/*.ts"],
+  controllers: [`${__dirname}/controllers/*.${CONTROLLERS_FILE_EXTENSION}`],
 });
 
 async function main() {