diff --git a/src/transaction/transaction.service.ts b/src/transaction/transaction.service.ts
index 757758e..64dc9c2 100644
--- a/src/transaction/transaction.service.ts
+++ b/src/transaction/transaction.service.ts
@@ -1489,7 +1489,11 @@ export class TransactionService {
     dataTransaction.status = statusTransaction.SUCCESS;
 
     if (supplier.code == 'Hemat') {
-      dataTransaction.seri_number = callback['data']['serial_number'];
+      if (callback['sn']) {
+        dataTransaction.seri_number = callback['sn'];
+      } else {
+        dataTransaction.seri_number = callback['data']['serial_number'];
+      }
       dataProductHistoryPrice.price = parseInt(callback['data']['additional']['harga']);
     } else {
       if (callback['sn']) {