diff --git a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py
index df957d261b8..b3642181ac0 100644
--- a/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py
+++ b/erpnext/accounts/doctype/purchase_invoice/purchase_invoice.py
@@ -505,11 +505,11 @@ class PurchaseInvoice(BuyingController):
 		# Checked both rounding_adjustment and rounded_total
 		# because rounded_total had value even before introcution of posting GLE based on rounded total
 		grand_total = self.rounded_total if (self.rounding_adjustment and self.rounded_total) else self.grand_total
+		base_grand_total = flt(self.base_rounded_total if (self.base_rounding_adjustment and self.base_rounded_total)
+			else self.base_grand_total, self.precision("base_grand_total"))
 
 		if grand_total and not self.is_internal_transfer():
 				# Did not use base_grand_total to book rounding loss gle
-				grand_total_in_company_currency = flt(grand_total * self.conversion_rate,
-					self.precision("grand_total"))
 				gl_entries.append(
 					self.get_gl_dict({
 						"account": self.credit_to,
@@ -517,8 +517,8 @@ class PurchaseInvoice(BuyingController):
 						"party": self.supplier,
 						"due_date": self.due_date,
 						"against": self.against_expense_account,
-						"credit": grand_total_in_company_currency,
-						"credit_in_account_currency": grand_total_in_company_currency \
+						"credit": base_grand_total,
+						"credit_in_account_currency": base_grand_total \
 							if self.party_account_currency==self.company_currency else grand_total,
 						"against_voucher": self.return_against if cint(self.is_return) and self.return_against else self.name,
 						"against_voucher_type": self.doctype,
diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
index 321b45323fe..98bc9539c2f 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
@@ -862,11 +862,11 @@ class SalesInvoice(SellingController):
 		# Checked both rounding_adjustment and rounded_total
 		# because rounded_total had value even before introcution of posting GLE based on rounded total
 		grand_total = self.rounded_total if (self.rounding_adjustment and self.rounded_total) else self.grand_total
+		base_grand_total = flt(self.base_rounded_total if (self.base_rounding_adjustment and self.base_rounded_total)
+			else self.base_grand_total, self.precision("base_grand_total"))
+
 		if grand_total and not self.is_internal_transfer():
 			# Didnot use base_grand_total to book rounding loss gle
-			grand_total_in_company_currency = flt(grand_total * self.conversion_rate,
-				self.precision("grand_total"))
-
 			gl_entries.append(
 				self.get_gl_dict({
 					"account": self.debit_to,
@@ -874,8 +874,8 @@ class SalesInvoice(SellingController):
 					"party": self.customer,
 					"due_date": self.due_date,
 					"against": self.against_income_account,
-					"debit": grand_total_in_company_currency,
-					"debit_in_account_currency": grand_total_in_company_currency \
+					"debit": base_grand_total,
+					"debit_in_account_currency": base_grand_total \
 						if self.party_account_currency==self.company_currency else grand_total,
 					"against_voucher": self.return_against if cint(self.is_return) and self.return_against else self.name,
 					"against_voucher_type": self.doctype,
diff --git a/erpnext/controllers/taxes_and_totals.py b/erpnext/controllers/taxes_and_totals.py
index 746c6fd9a42..987fd31260f 100644
--- a/erpnext/controllers/taxes_and_totals.py
+++ b/erpnext/controllers/taxes_and_totals.py
@@ -594,13 +594,14 @@ class calculate_taxes_and_totals(object):
 
 		if self.doc.doctype in ["Sales Invoice", "Purchase Invoice"]:
 			grand_total = self.doc.rounded_total or self.doc.grand_total
+			base_grand_total = self.doc.base_rounded_total or self.doc.base_grand_total
+
 			if self.doc.party_account_currency == self.doc.currency:
 				total_amount_to_pay = flt(grand_total - self.doc.total_advance
 					- flt(self.doc.write_off_amount), self.doc.precision("grand_total"))
 			else:
-				total_amount_to_pay = flt(flt(grand_total *
-					self.doc.conversion_rate, self.doc.precision("grand_total")) - self.doc.total_advance
-						- flt(self.doc.base_write_off_amount), self.doc.precision("grand_total"))
+				total_amount_to_pay = flt(flt(base_grand_total, self.doc.precision("base_grand_total")) - self.doc.total_advance
+						- flt(self.doc.base_write_off_amount), self.doc.precision("base_grand_total"))
 
 			self.doc.round_floats_in(self.doc, ["paid_amount"])
 			change_amount = 0
diff --git a/erpnext/public/js/controllers/taxes_and_totals.js b/erpnext/public/js/controllers/taxes_and_totals.js
index 7c1c8c7e46e..ff56be9a734 100644
--- a/erpnext/public/js/controllers/taxes_and_totals.js
+++ b/erpnext/public/js/controllers/taxes_and_totals.js
@@ -710,14 +710,15 @@ erpnext.taxes_and_totals = class TaxesAndTotals extends erpnext.payments {
 		frappe.model.round_floats_in(this.frm.doc, ["grand_total", "total_advance", "write_off_amount"]);
 
 		if(in_list(["Sales Invoice", "POS Invoice", "Purchase Invoice"], this.frm.doc.doctype)) {
-			var grand_total = this.frm.doc.rounded_total || this.frm.doc.grand_total;
+			let grand_total = this.frm.doc.rounded_total || this.frm.doc.grand_total;
+			let base_grand_total = this.frm.doc.base_rounded_total || this.frm.doc.base_grand_total;
 
 			if(this.frm.doc.party_account_currency == this.frm.doc.currency) {
 				var total_amount_to_pay = flt((grand_total - this.frm.doc.total_advance
 					- this.frm.doc.write_off_amount), precision("grand_total"));
 			} else {
 				var total_amount_to_pay = flt(
-					(flt(grand_total*this.frm.doc.conversion_rate, precision("grand_total"))
+					(flt(base_grand_total, precision("base_grand_total"))
 						- this.frm.doc.total_advance - this.frm.doc.base_write_off_amount),
 					precision("base_grand_total")
 				);
@@ -748,14 +749,15 @@ erpnext.taxes_and_totals = class TaxesAndTotals extends erpnext.payments {
 	}
 
 	set_total_amount_to_default_mop() {
-		var grand_total = this.frm.doc.rounded_total || this.frm.doc.grand_total;
+		let grand_total = this.frm.doc.rounded_total || this.frm.doc.grand_total;
+		let base_grand_total = this.frm.doc.base_rounded_total || this.frm.doc.base_grand_total;
 
 		if(this.frm.doc.party_account_currency == this.frm.doc.currency) {
 			var total_amount_to_pay = flt((grand_total - this.frm.doc.total_advance
 				- this.frm.doc.write_off_amount), precision("grand_total"));
 		} else {
 			var total_amount_to_pay = flt(
-				(flt(grand_total*this.frm.doc.conversion_rate, precision("grand_total"))
+				(flt(base_grand_total, precision("base_grand_total"))
 					- this.frm.doc.total_advance - this.frm.doc.base_write_off_amount),
 				precision("base_grand_total")
 			);