diff --git a/erpnext/selling/doctype/customer/customer.py b/erpnext/selling/doctype/customer/customer.py
index d4702e8..1db0797 100644
--- a/erpnext/selling/doctype/customer/customer.py
+++ b/erpnext/selling/doctype/customer/customer.py
@@ -677,10 +677,12 @@
 			title=_("Missing Values Required"),
 		)
 
+	party_name_key = "customer_name" if args.doctype == "Customer" else "supplier_name"
+
 	address = frappe.get_doc(
 		{
 			"doctype": "Address",
-			"address_title": args.get("customer_name"),
+			"address_title": args.get(party_name_key),
 			"address_line1": args.get("address_line1"),
 			"address_line2": args.get("address_line2"),
 			"city": args.get("city"),