diff --git a/erpnext/buying/doctype/supplier/supplier.py b/erpnext/buying/doctype/supplier/supplier.py
index bccab8b01e0..3b72953c563 100644
--- a/erpnext/buying/doctype/supplier/supplier.py
+++ b/erpnext/buying/doctype/supplier/supplier.py
@@ -97,7 +97,7 @@ class Supplier(TransactionBase):
 		elif supp_master_name == "Naming Series":
 			set_name_by_naming_series(self)
 		else:
-			self.name = set_name_from_naming_options(frappe.get_meta(self.doctype).autoname, self)
+			set_name_from_naming_options(frappe.get_meta(self.doctype).autoname, self)
 
 	def on_update(self):
 		self.create_primary_contact()
diff --git a/erpnext/selling/doctype/customer/customer.py b/erpnext/selling/doctype/customer/customer.py
index 9bd9b5e760a..0e9c1f3e790 100644
--- a/erpnext/selling/doctype/customer/customer.py
+++ b/erpnext/selling/doctype/customer/customer.py
@@ -105,7 +105,7 @@ class Customer(TransactionBase):
 		elif cust_master_name == "Naming Series":
 			set_name_by_naming_series(self)
 		else:
-			self.name = set_name_from_naming_options(frappe.get_meta(self.doctype).autoname, self)
+			set_name_from_naming_options(frappe.get_meta(self.doctype).autoname, self)
 
 	def get_customer_name(self):
 		if frappe.db.get_value("Customer", self.customer_name) and not frappe.flags.in_import: