diff --git a/api/controllers/console/workspace/members.py b/api/controllers/console/workspace/members.py
index 9a3bee707b..1b7d08a879 100644
--- a/api/controllers/console/workspace/members.py
+++ b/api/controllers/console/workspace/members.py
@@ -52,6 +52,7 @@ class MemberInviteEmailApi(Resource):
         parser = reqparse.RequestParser()
         parser.add_argument('emails', type=str, required=True, location='json', action='append')
         parser.add_argument('role', type=str, required=True, default='admin', location='json')
+        parser.add_argument('language', type=str, required=False, location='json')
         args = parser.parse_args()
 
         invitee_emails = args['emails']