diff --git a/application/extensions/init_sqlalchemy.py b/application/extensions/init_sqlalchemy.py
index adc777ecc15d7f1bd3e26f56f2a7f7c07bebe3f3..f09733f17f99594efc19c825c9db214b72d93ccc 100644
--- a/application/extensions/init_sqlalchemy.py
+++ b/application/extensions/init_sqlalchemy.py
@@ -25,9 +25,7 @@ def init_database(app: Flask) -> None:
     :param app: flask.Flask application instance
     :return: None
     """
-    cfg = app.config.get('Database')
-    if cfg is None:
-        raise KeyError('Key Database error')
+    cfg = app.config.Database
     uri = DatabaseURI(
         db_type=cfg.Type,
         username=cfg.Username,