diff --git a/apps/payment/views.py b/apps/payment/views.py
index 2ae7ef63..34d35a0b 100644
--- a/apps/payment/views.py
+++ b/apps/payment/views.py
@@ -219,7 +219,7 @@ class PaymentwallCallbackView(View):
                     else:
                         month = 0 if now().day >= 1 and now().day <= 10 else 1
                         date_start = self.add_months(sourcedate=now().replace(hour=0, minute=0, day=1), months=month)
-                        date_end = arrow.get(date_start).shift(months=1) - datetime.timedelta(minutes=1).datetime
+                        date_end = arrow.get(date_start).shift(months=1, minutes=-1).datetime
                     payment.date_start = date_start
                     payment.date_end = date_end
             if product_type_name == 'course':