diff --git a/erpnext/accounts/doctype/accounts_settings/accounts_settings.py b/erpnext/accounts/doctype/accounts_settings/accounts_settings.py
index 053f061..24b0ec4 100644
--- a/erpnext/accounts/doctype/accounts_settings/accounts_settings.py
+++ b/erpnext/accounts/doctype/accounts_settings/accounts_settings.py
@@ -41,5 +41,7 @@
 		for doctype in ["Sales Invoice Item", "Purchase Invoice Item"]:
 			make_property_setter(doctype, "discount_account", "hidden", not(enable_discount_accounting), "Check", validate_fields_for_doctype=False)
 
-		make_property_setter("Item", "default_discount_account", "hidden", not(enable_discount_accounting), "Check", validate_fields_for_doctype=False)
-		make_property_setter("Sales Invoice", "additional_discount_account", "hidden", not(enable_discount_accounting), "Check", validate_fields_for_doctype=False)
\ No newline at end of file
+		for doctype in ["Sales Invoice", "Purchase Invoice"]:
+			make_property_setter(doctype, "additional_discount_account", "hidden", not(enable_discount_accounting), "Check", validate_fields_for_doctype=False)
+
+		make_property_setter("Item", "default_discount_account", "hidden", not(enable_discount_accounting), "Check", validate_fields_for_doctype=False)
\ No newline at end of file