diff --git a/erpnext/controllers/accounts_controller.py b/erpnext/controllers/accounts_controller.py
index eab9e12..29c2633 100644
--- a/erpnext/controllers/accounts_controller.py
+++ b/erpnext/controllers/accounts_controller.py
@@ -1315,6 +1315,9 @@
 				payment_schedule['discount_type'] = schedule.discount_type
 				payment_schedule['discount'] = schedule.discount
 
+			if not schedule.invoice_portion:
+				payment_schedule['payment_amount'] = schedule.payment_amount
+
 			self.append("payment_schedule", payment_schedule)
 
 	def set_due_date(self):