diff --git a/backend/service-authentication/server.js b/backend/service-authentication/server.js
index 8c6812d..a15ce7a 100644
--- a/backend/service-authentication/server.js
+++ b/backend/service-authentication/server.js
@@ -10,7 +10,7 @@ app.use(bodyParser.urlencoded({extended:true}));
 app.use(bodyParser.json());
 
 const cors = require('cors');
-app.use(cors({origin: 'http://frontend:4200', credentials: true}));
+app.use(cors({origin: 'http://127.0.0.1:4200', credentials: true}));
 
 const mongoConnect = require('./mongodbConnect');