diff --git a/backend/package.json b/backend/package.json
index 973101e0..2931481b 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -23,7 +23,7 @@
 	"scripts": {
 		"build": "tsc",
 		"start": "node dist/src/server.js",
-		"dev:start": "cross-env USE_HTTPS=false TESTING_MODE=ENABLED nodemon -I --exec node --experimental-specifier-resolution=node --loader ts-node/esm ./src/server.ts",
+		"dev:start": "cross-env USE_HTTPS=false SERVER_CORS_ORIGIN=* nodemon -I --exec node --experimental-specifier-resolution=node --loader ts-node/esm ./src/server.ts",
 		"lint": "eslint src --fix",
 		"format": "prettier --ignore-path .gitignore --write '**/*.{ts,js,json,md}'",
 		"pack": "npm pack"
diff --git a/backend/src/config.ts b/backend/src/config.ts
index 5d93bb67..a57c570a 100644
--- a/backend/src/config.ts
+++ b/backend/src/config.ts
@@ -1,14 +1,14 @@
-
 import dotenv from 'dotenv';
 
 if (process.env.CALL_CONFIG_DIR) {
-    dotenv.config({ path: process.env.CALL_CONFIG_DIR });
+	dotenv.config({ path: process.env.CALL_CONFIG_DIR });
 } else {
-    dotenv.config();
+	dotenv.config();
 }
 
 // General server configuration
 export const SERVER_PORT = process.env.SERVER_PORT || 6080;
+export const SERVER_CORS_ORIGIN = process.env.SERVER_CORS_ORIGIN || '*';
 export const CALL_NAME_ID = process.env.CALL_NAME_ID || 'OpenViduCall';
 export const CALL_PRIVATE_ACCESS = process.env.CALL_PRIVATE_ACCESS || 'false';
 export const CALL_USER = process.env.CALL_USER || 'user';
diff --git a/backend/src/server.ts b/backend/src/server.ts
index db4bb990..a8ecfda6 100644
--- a/backend/src/server.ts
+++ b/backend/src/server.ts
@@ -21,16 +21,17 @@ import {
 	CALL_ADMIN_USER,
 	CALL_AWS_REGION,
 	CALL_LOG_LEVEL,
-	CALL_NAME_ID
+	CALL_NAME_ID,
+	SERVER_CORS_ORIGIN
 } from './config.js';
 
 const createApp = () => {
 	const app = express();
 
 	// Enable CORS support
-	if (process.env.TESTING_MODE === 'ENABLED') {
-		console.log('CORS enabled');
-		app.use(cors({ origin: '*' }));
+	if (SERVER_CORS_ORIGIN) {
+		console.log('CORS Origin:', SERVER_CORS_ORIGIN);
+		app.use(cors({ origin: SERVER_CORS_ORIGIN }));
 	}
 
 	const __filename = fileURLToPath(import.meta.url);