diff --git a/erpnext/public/js/controllers/transaction.js b/erpnext/public/js/controllers/transaction.js
index 98837a86626..c6d2c9a8248 100644
--- a/erpnext/public/js/controllers/transaction.js
+++ b/erpnext/public/js/controllers/transaction.js
@@ -1069,7 +1069,7 @@ erpnext.TransactionController = class TransactionController extends erpnext.taxe
 			if (me.frm.doc.doctype == "Quotation" && me.frm.doc.quotation_to == "Customer") {
 				(party_type = "Customer"), (party_name = me.frm.doc.party_name);
 			} else {
-				party_type = frappe.meta.has_field(me.frm.doc.doctype, "customer") ? "Customer" : "Supplier";
+				party_type = frappe.meta.has_field(me.frm.doc.doctype, "supplier") ? "Supplier" : "Customer";
 				party_name = me.frm.doc[party_type.toLowerCase()];
 			}
 			if (party_name) {