diff --git a/db/index.ts b/db/index.ts
index d877a4f..621980c 100644
--- a/db/index.ts
+++ b/db/index.ts
@@ -103,7 +103,7 @@ export async function patchBill(
   const booking = await getBookingByUUID(bookingUUID)
   const bill =
     (booking.bill && (await BillModel.findById(booking.bill))) ||
-    (await BillModel.create())
+    (await BillModel.create({}))
 
   bill.set(billData)
   await bill.save()