diff --git a/views_api.py b/views_api.py
index d8a2b75..6fae87a 100644
--- a/views_api.py
+++ b/views_api.py
@@ -276,7 +276,7 @@ async def api_ticket_make_ticket_user_id(event_id: str, user_id: str):
 
 
 @events_api_router.get("/api/v1/tickets/{event_id}/{name}/{email}")
-async def api_ticket_make_ticket(event_id, name, email, promo_code, refund_address):
+async def api_ticket_make_ticket(event_id, name, email, promo_code=None, refund_address=None):
     event = await get_event(event_id)
     if not event:
         raise HTTPException(