diff --git a/finance/views.py b/finance/views.py
index 47d7ef9..6523f36 100644
--- a/finance/views.py
+++ b/finance/views.py
@@ -109,8 +109,7 @@ class InvoiceDetailView(APIView):
             price = request.JSON.get('price', None)
             comment = request.JSON.get('comment', None)
             real_price = request.JSON.get('real_price', None)
-            # rebilling_on = request.JSON.get('is_rebilling', False)
-            pay_count = int(request.JSON.get('pay_count', 0)) + 1
+            pay_count = int(request.JSON.get('pay_count', '1'))
 
             if bill_id is None:
                 return Response("Не передан id счёта", status=400)
@@ -137,7 +136,6 @@ class InvoiceDetailView(APIView):
                     is_open=is_open,
                     rebilling_on=True,
                 )
-                invoice.create_child_pays(pay_count)
 
             else:
                 try:
@@ -174,6 +172,9 @@ class InvoiceDetailView(APIView):
             invoice.is_open = is_open
             invoice.comment = comment
 
+            if pay_count > 1:
+                invoice.create_child_pays(pay_count)
+
             if invoice.method == 'Y' and invoice.yandex_pay is None:
                 yandex_pay = Payment.objects.create(
                     order_amount=invoice.price,