diff --git a/be/src/expressHelper.ts b/be/src/expressHelper.ts
index 7f2231f..6d250e7 100644
--- a/be/src/expressHelper.ts
+++ b/be/src/expressHelper.ts
@@ -3,9 +3,16 @@ import bodyParser from "body-parser";
 
 const app: Express = express();
 
+app.use(function(req, res, next) {
+  res.header("Access-Control-Allow-Origin", "*");
+  res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
+  next();
+});
+
 app.use(bodyParser.urlencoded({
     extended: true
 }));
 app.use(bodyParser.json());
 
 export { app };
+