diff --git a/__init__.py b/__init__.py
index ce09789..85e3463 100644
--- a/__init__.py
+++ b/__init__.py
@@ -6,7 +6,7 @@ def create_app(flask_env='development'):
     app = Flask(__name__, instance_relative_config=False, static_url_path='')
     origin = app.config.get('ALLOW_ORIGIN')
     if origin is None:
-        origin = ['http://127.0.0.1:5000', 'http://localhost:5000']
+        origin = ['http://127.0.0.1:4200', 'http://localhost:4200']
     CORS(app, supports_credentials=True, origins=origin)
     if flask_env == 'production':
         app.config.from_object("config.ProductionConfig")