diff --git a/erpnext/controllers/accounts_controller.py b/erpnext/controllers/accounts_controller.py
index 4c313c4..cdd865a 100644
--- a/erpnext/controllers/accounts_controller.py
+++ b/erpnext/controllers/accounts_controller.py
@@ -1112,8 +1112,11 @@
 			for d in self.get("payment_schedule"):
 				if d.invoice_portion:
 					d.payment_amount = flt(grand_total * flt(d.invoice_portion / 100), d.precision('payment_amount'))
-					d.base_payment_amount = flt(base_grand_total * flt(d.invoice_portion / 100), d.precision('payment_amount'))
+					d.base_payment_amount = flt(base_grand_total * flt(d.invoice_portion / 100), d.precision('base_payment_amount'))
 					d.outstanding = d.payment_amount
+				elif not d.invoice_portion:
+					d.base_payment_amount = flt(base_grand_total * self.get("conversion_rate"), d.precision('base_payment_amount'))
+
 
 	def set_due_date(self):
 		due_dates = [d.due_date for d in self.get("payment_schedule") if d.due_date]