diff --git a/app/Http/Controllers/InvoiceController.php b/app/Http/Controllers/InvoiceController.php
index c56f38ff..8da96f12 100644
--- a/app/Http/Controllers/InvoiceController.php
+++ b/app/Http/Controllers/InvoiceController.php
@@ -216,9 +216,9 @@ class InvoiceController extends Controller
         $total = array_reduce($subtotalArray, function ($v1, $v2) {
             return $v1 + $v2;
         });
-        if ($total != $booking->amount) {
+        if ($total != $booking->bia) {
             return response()->json([
-                'message' => 'Booking amount expected is '.$booking->amount.'. Your Invoice amount is '.$total
+                'message' => 'Booking amount expected is '.$booking->bia.'. Your Invoice amount is '.$total
             ], 400);
         }