diff --git a/models/doctype/Payment/PaymentServer.js b/models/doctype/Payment/PaymentServer.js
index 7202a4c1..32931f64 100644
--- a/models/doctype/Payment/PaymentServer.js
+++ b/models/doctype/Payment/PaymentServer.js
@@ -70,6 +70,7 @@ export default class PaymentServer extends BaseDocument {
   }
 
   validateReferenceAmount() {
+    if (!this.for?.length) return;
     const referenceAmountTotal = this.for
       .map(({ amount }) => amount)
       .reduce((a, b) => a + b, 0);