diff --git a/ITPlanning/app.py b/ITPlanning/app.py
index 9327e3c..62fe9bd 100644
--- a/ITPlanning/app.py
+++ b/ITPlanning/app.py
@@ -11,7 +11,7 @@ from ITPlanning.frontend import frontend
 logger = logging.getLogger("ITPlanning")
 
 
-def create_app(config):
+def create_app(config=None):
     """Flask app creation"""
     app = Flask(__name__, static_folder="static", template_folder="view")
     if not config: