diff --git a/app/Endpoint/Api/Http/Controllers/StoreController.php b/app/Endpoint/Api/Http/Controllers/StoreController.php
index a8440064..5d543b42 100644
--- a/app/Endpoint/Api/Http/Controllers/StoreController.php
+++ b/app/Endpoint/Api/Http/Controllers/StoreController.php
@@ -69,6 +69,7 @@ class StoreController extends Controller
 
         $sku = $store->productSkus()
             ->where('product_spu_id', $spu->id)
+            ->where('amount', '>', 0)
             ->when($request->filled('sku_id'), fn($q) => $q->where('product_sku_id', $request->input('sku_id')))
             ->first();
         if (!$sku) {