diff --git a/src/Eccube/Controller/ShippingMultipleController.php b/src/Eccube/Controller/ShippingMultipleController.php
index d0a2c63ebd2..2044f86a47d 100644
--- a/src/Eccube/Controller/ShippingMultipleController.php
+++ b/src/Eccube/Controller/ShippingMultipleController.php
@@ -343,7 +343,7 @@ public function index(Request $request)
                     }
                 }
 
-                $this->cartPurchaseFlow->validate($Cart, new PurchaseContext());
+                $this->cartPurchaseFlow->validate($Cart, new PurchaseContext($Cart, $this->getUser()));
                 $this->cartService->save();
             }
 
diff --git a/src/Eccube/Controller/ShoppingController.php b/src/Eccube/Controller/ShoppingController.php
index 2f841a003e4..457b58548b5 100644
--- a/src/Eccube/Controller/ShoppingController.php
+++ b/src/Eccube/Controller/ShoppingController.php
@@ -124,7 +124,7 @@ public function index(PurchaseFlow $cartPurchaseFlow)
             log_info('[注文手続] Warningが発生しました.', [$flowResult->getWarning()]);
 
             // 受注明細と同期をとるため, CartPurchaseFlowを実行する
-            $cartPurchaseFlow->validate($Cart, new PurchaseContext());
+            $cartPurchaseFlow->validate($Cart, new PurchaseContext($Cart, $this->getUser()));
             $this->cartService->save();
         }
 
@@ -685,7 +685,7 @@ public function error(Request $request, PurchaseFlow $cartPurchaseFlow)
         // 受注とカートのずれを合わせるため, カートのPurchaseFlowをコールする.
         $Cart = $this->cartService->getCart();
         if (null !== $Cart) {
-            $cartPurchaseFlow->validate($Cart, new PurchaseContext());
+            $cartPurchaseFlow->validate($Cart, new PurchaseContext($Cart, $this->getUser()));
             $this->cartService->setPreOrderId(null);
             $this->cartService->save();
         }
diff --git a/src/Eccube/Service/PurchaseFlow/PurchaseContext.php b/src/Eccube/Service/PurchaseFlow/PurchaseContext.php
index 68ba672db07..6b4544ede48 100644
--- a/src/Eccube/Service/PurchaseFlow/PurchaseContext.php
+++ b/src/Eccube/Service/PurchaseFlow/PurchaseContext.php
@@ -33,7 +33,7 @@ class PurchaseContext extends \SplObjectStorage
 
     const CART_FLOW = 'cart';
 
-    public function __construct(ItemHolderInterface $originHolder = null, Customer $user = null)
+    public function __construct(ItemHolderInterface $originHolder = null, ?Customer $user = null)
     {
         $this->originHolder = $originHolder;
         $this->user = $user;