diff --git a/erpnext/selling/doctype/selling_settings/selling_settings.py b/erpnext/selling/doctype/selling_settings/selling_settings.py
index d977807e7dc..490a2740117 100644
--- a/erpnext/selling/doctype/selling_settings/selling_settings.py
+++ b/erpnext/selling/doctype/selling_settings/selling_settings.py
@@ -37,15 +37,15 @@ class SellingSettings(Document):
 		)
 
 	def toggle_hide_tax_id(self):
-		self.hide_tax_id = cint(self.hide_tax_id)
+		_hide_tax_id = cint(self.hide_tax_id)
 
 		# Make property setters to hide tax_id fields
 		for doctype in ("Sales Order", "Sales Invoice", "Delivery Note"):
 			make_property_setter(
-				doctype, "tax_id", "hidden", self.hide_tax_id, "Check", validate_fields_for_doctype=False
+				doctype, "tax_id", "hidden", _hide_tax_id, "Check", validate_fields_for_doctype=False
 			)
 			make_property_setter(
-				doctype, "tax_id", "print_hide", self.hide_tax_id, "Check", validate_fields_for_doctype=False
+				doctype, "tax_id", "print_hide", _hide_tax_id, "Check", validate_fields_for_doctype=False
 			)
 
 	def toggle_editable_rate_for_bundle_items(self):