diff --git a/app/rollerverbrauch/__init__.py b/app/rollerverbrauch/__init__.py
index fced2c7..495ab17 100644
--- a/app/rollerverbrauch/__init__.py
+++ b/app/rollerverbrauch/__init__.py
@@ -56,9 +56,9 @@ def user_registered_sighandler(app, user, confirm_token):
     """
     role = user_datastore.find_role('user')
     user_datastore.add_role_to_user(user, role)
-    v = Vehicle('default vehicle')
-    db.session.add(v)
-    user.vehicles.append(v)
+    new_vehicle = Vehicle('default vehicle')
+    db.session.add(new_vehicle)
+    user.vehicles.append(new_vehicle)
     db.session.commit()
     db_log_add(user)
     db_log_add(new_vehicle)