diff --git a/app/Services/Master/ProductService.php b/app/Services/Master/ProductService.php
index c9be7bf..8d98c6d 100644
--- a/app/Services/Master/ProductService.php
+++ b/app/Services/Master/ProductService.php
@@ -575,7 +575,7 @@ private function applyPayloadToProduct(
                 $variant->update([
                     'name' => $variantData['name'],
                     'stock' => $variantData['stock'],
-                    'reject_stock' => $variantData['reject_stock'],
+                    'reject_stock' => $variantData['reject_stock'] ?? 0,
                     'retail_stock' => $variantData['retail_stock'],
                 ]);
 
@@ -598,7 +598,7 @@ private function applyPayloadToProduct(
             $variant = $product->variants()->create([
                 'name' => $variantData['name'],
                 'stock' => $variantData['stock'],
-                'reject_stock' => $variantData['reject_stock'],
+                'reject_stock' => $variantData['reject_stock'] ?? 0,
                 'retail_stock' => $variantData['retail_stock'],
             ]);