diff --git a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
index 92f558f..5fa6228 100644
--- a/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
+++ b/erpnext/accounts/doctype/sales_invoice/sales_invoice.py
@@ -478,6 +478,9 @@
 		if cint(self.is_pos) != 1:
 			return
 
+		if not self.account_for_change_amount:
+			self.account_for_change_amount = frappe.get_cached_value('Company',  self.company,  'default_cash_account')
+
 		from erpnext.stock.get_item_details import get_pos_profile_item_details, get_pos_profile
 		if not self.pos_profile:
 			pos_profile = get_pos_profile(self.company) or {}
@@ -492,9 +495,6 @@
 		if not self.get('payments') and not for_validate:
 			update_multi_mode_option(self, pos)
 
-		if not self.account_for_change_amount:
-			self.account_for_change_amount = frappe.get_cached_value('Company',  self.company,  'default_cash_account')
-
 		if pos:
 			if not for_validate:
 				self.tax_category = pos.get("tax_category")