diff --git a/tutorial5/website/__init__.py b/tutorial5/website/__init__.py
index 89f1aaa..e534217 100644
--- a/tutorial5/website/__init__.py
+++ b/tutorial5/website/__init__.py
@@ -11,6 +11,7 @@ def create_app():
     app = Flask(__name__)
     app.config['SECRET_KEY'] = "helloworld"
     app.config['SQLALCHEMY_DATABASE_URI'] = f'sqlite:///{DB_NAME}'
+    app.config['SQLALCHEMY_TRACK_MODIFICATIONS'] = False
     db.init_app(app)
 
     from .views import views