diff --git a/erpnext/public/js/controllers/transaction.js b/erpnext/public/js/controllers/transaction.js
index 8e90853ad06..cbd80a3c45f 100644
--- a/erpnext/public/js/controllers/transaction.js
+++ b/erpnext/public/js/controllers/transaction.js
@@ -1042,6 +1042,14 @@ erpnext.TransactionController = class TransactionController extends erpnext.taxe
 	due_date() {
 		// due_date is to be changed, payment terms template and/or payment schedule must
 		// be removed as due_date is automatically changed based on payment terms
+
+		// if there is only one row in payment schedule child table, set its due date as the due date
+		if (this.frm.doc.payment_schedule.length == 1){
+			this.frm.doc.payment_schedule[0].due_date = this.frm.doc.due_date;
+			this.frm.refresh_field("payment_schedule");
+			return
+		}
+
 		if (
 			this.frm.doc.due_date &&
 			!this.frm.updating_party_details &&