diff --git a/app/Livewire/Forms/Studio/Loyalty/VoucherForm.php b/app/Livewire/Forms/Studio/Loyalty/VoucherForm.php
index 54409b3..b241c49 100644
--- a/app/Livewire/Forms/Studio/Loyalty/VoucherForm.php
+++ b/app/Livewire/Forms/Studio/Loyalty/VoucherForm.php
@@ -115,7 +115,7 @@ public function store()
         $this->validate();
 
         $data = $this->prepareSavedData();
-        $data = sanitizeIntegers($data, ['min_purchase', 'max_discount', 'quota', 'limit_per_user']);
+        $data = sanitizeIntegers($data, ['min_purchase', 'max_discount', 'quota', 'limit_per_user', 'available_count']);
 
         DB::transaction(function () use ($data) {
             $voucher = Voucher::create($data);