diff --git a/erpnext/controllers/taxes_and_totals.py b/erpnext/controllers/taxes_and_totals.py
index bc38d08b80..9dbcdb04c5 100644
--- a/erpnext/controllers/taxes_and_totals.py
+++ b/erpnext/controllers/taxes_and_totals.py
@@ -41,6 +41,7 @@ class calculate_taxes_and_totals(object):
 		if self.doc.apply_discount_on == "Grand Total" and self.doc.get("is_cash_or_non_trade_discount"):
 			self.doc.grand_total -= self.doc.discount_amount
 			self.doc.base_grand_total -= self.doc.base_discount_amount
+			self.set_rounded_total()
 
 		self.calculate_shipping_charges()