diff --git a/resources/assets/js/components/NewInvoice.vue b/resources/assets/js/components/NewInvoice.vue
index 99a86a70..84afda88 100644
--- a/resources/assets/js/components/NewInvoice.vue
+++ b/resources/assets/js/components/NewInvoice.vue
@@ -601,7 +601,8 @@ export default {
       this.form.formData.marking = marking
       this.tax = tax
       this.service_charge = service_charge
-      this.amount = bia
+      this.amount = amount
+      this.bia = bia
       this.rate = rate
     }
   },
@@ -676,9 +677,9 @@ export default {
         return
       }
 
-      if (this.amount != this.total) {
+      if (this.bia != this.total) {
         console.log('amount not matched')
-        alert(`PO Total RM${this.total} Does Not Match Expected RM${this.amount}`)
+        alert(`PO Total RM${this.total} Does Not Match Expected RM${this.bia}`)
         return
       }