diff --git a/vendor/magento/module-sales/Controller/Adminhtml/Order/Creditmemo/Save.php b/vendor/magento/module-sales/Controller/Adminhtml/Order/Creditmemo/Save.php
index 301efe26fc52a..450e9a5123078 100644
--- a/vendor/magento/module-sales/Controller/Adminhtml/Order/Creditmemo/Save.php
+++ b/vendor/magento/module-sales/Controller/Adminhtml/Order/Creditmemo/Save.php
@@ -1,7 +1,7 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ * Copyright 2014 Adobe
+ * All Rights Reserved.
  */
 namespace Magento\Sales\Controller\Adminhtml\Order\Creditmemo;
 
@@ -10,7 +10,13 @@
 use Magento\Sales\Helper\Data as SalesData;
 use Magento\Sales\Model\Order\Creditmemo;
 use Magento\Sales\Model\Order\Email\Sender\CreditmemoSender;
+use Magento\Catalog\Model\Product\Type\AbstractType;
+use Magento\Sales\Model\Order\Creditmemo\Item;
+use Magento\Catalog\Model\Product\Type;
 
+/**
+ * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
+ */
 class Save extends \Magento\Backend\App\Action implements HttpPostActionInterface
 {
     /**
@@ -155,6 +161,9 @@ private function adjustCreditMemoItemQuantities(Creditmemo $creditMemo): void
         $parentQuantities = [];
         foreach ($items as $item) {
             if ($parentId = $item->getOrderItem()->getParentItemId()) {
+                if ($this->shouldSkipQuantityAccumulation($item)) {
+                    continue;
+                }
                 if (empty($parentQuantities[$parentId])) {
                     $parentQuantities[$parentId] = $item->getQty();
                 } else {
@@ -171,4 +180,21 @@ private function adjustCreditMemoItemQuantities(Creditmemo $creditMemo): void
             }
         }
     }
+
+    /**
+     * Check if the quantity adjustment should be skipped
+     *
+     * @param Item $item
+     * @return bool
+     */
+    private function shouldSkipQuantityAccumulation(Item $item): bool
+    {
+        $parentOrderItem = $item->getOrderItem()->getParentItem();
+        if (!$parentOrderItem || $parentOrderItem->getProductType() !== Type::TYPE_BUNDLE) {
+            return false;
+        }
+        $parentOptions = $parentOrderItem->getProductOptions();
+        return isset($parentOptions['product_calculations']) &&
+            $parentOptions['product_calculations'] === AbstractType::CALCULATE_PARENT;
+    }
 }