diff --git a/erpnext/controllers/taxes_and_totals.py b/erpnext/controllers/taxes_and_totals.py
index 40748df..45ed338 100644
--- a/erpnext/controllers/taxes_and_totals.py
+++ b/erpnext/controllers/taxes_and_totals.py
@@ -404,7 +404,7 @@
 			self.doc.total_advance = flt(total_allocated_amount, self.doc.precision("total_advance"))
 
 			if self.doc.party_account_currency == self.doc.currency:
-				invoice_total = flt(self.doc.grand_total - self.write_off_amount, 
+				invoice_total = flt(self.doc.grand_total - self.doc.write_off_amount, 
 					self.doc.precision("grand_total"))
 			else:
 				base_write_off_amount = flt(self.doc.write_off_amount * self.doc.conversion_rate,