diff --git a/app/Services/OrderService.php b/app/Services/OrderService.php
index 0ed30b6..f181d48 100644
--- a/app/Services/OrderService.php
+++ b/app/Services/OrderService.php
@@ -1376,7 +1376,7 @@ public function createProductionOrder(int $orderId, array $data)
             }
         }
 
-        return DB::transaction(function () use ($order, $data, $tenantId, $userId, $itemsByProcess, $nodesBomMap) {
+        return DB::transaction(function () use ($order, $data, $tenantId, $userId, $itemsByProcess, $nodesBomMap, $isStock) {
             $workOrders = [];
 
             // 담당자 ID 배열 처리 (assignee_ids 우선, fallback으로 assignee_id)
@@ -1530,7 +1530,7 @@ public function createProductionOrder(int $orderId, array $data)
                         'item_id' => $itemId,
                         'item_name' => $orderItem->item_name,
                         'specification' => $orderItem->specification,
-                        'quantity' => $orderItem->quantity,
+                        'quantity' => (int) $orderItem->quantity,
                         'unit' => $orderItem->unit,
                         'sort_order' => $sortOrder++,
                         'status' => 'pending',