diff --git a/client-api/pvc-api.py b/client-api/pvc-api.py
index 3429c164..cf23f100 100755
--- a/client-api/pvc-api.py
+++ b/client-api/pvc-api.py
@@ -1733,6 +1733,7 @@ class API_Network_Element(Resource):
               id: Message
         """
         return api_helper.net_modify(
+            vni,
             reqargs.get('description', None),
             reqargs.get('domain', None),
             reqargs.get('name_servers', None),