diff --git a/cortex-js/src/app.ts b/cortex-js/src/app.ts
index c02edd428..53104b886 100644
--- a/cortex-js/src/app.ts
+++ b/cortex-js/src/app.ts
@@ -26,7 +26,7 @@ export const getApp = async (host?: string, port?: number) => {
       enableDebugMessages: true,
     }),
   );
-  
+
   cleanLogs();
   const config = new DocumentBuilder()
     .setTitle('Cortex API')
diff --git a/cortex-js/src/index.ts b/cortex-js/src/index.ts
index 601955bf4..4d31b2eeb 100644
--- a/cortex-js/src/index.ts
+++ b/cortex-js/src/index.ts
@@ -12,11 +12,10 @@ import { CortexUsecases } from './usecases/cortex/cortex.usecases';
  * Start the API server
  */
 export async function start(host?: string, port?: number) {
-  const app = await getApp(host, port);
   // getting port from env
   const sHost = host || process.env.CORTEX_JS_HOST || defaultCortexJsHost;
   const sPort = port || process.env.CORTEX_JS_PORT || defaultCortexJsPort;
-
+  const app = await getApp(sHost, Number(sPort));
   try {
     await app.listen(sPort, sHost);
     const cortexUsecases = await app.resolve(CortexUsecases);
diff --git a/cortex-js/src/main.ts b/cortex-js/src/main.ts
index 1a43ca318..988e55426 100644
--- a/cortex-js/src/main.ts
+++ b/cortex-js/src/main.ts
@@ -6,11 +6,10 @@ import { getApp } from './app';
 import chalk from 'chalk';
 
 async function bootstrap() {
-  const app = await getApp();
   // getting port from env
   const host = process.env.CORTEX_JS_HOST || defaultCortexJsHost;
   const port = process.env.CORTEX_JS_PORT || defaultCortexJsPort;
-
+  const app = await getApp(host, Number(port));
   try {
     await app.listen(port, host);
     console.log(chalk.blue(`Started server at http://${host}:${port}`));