diff --git a/vendor/magento/module-sales/Model/Order/Creditmemo/Item.php b/vendor/magento/module-sales/Model/Order/Creditmemo/Item.php
index 35244b26..8c726829 100644
--- a/vendor/magento/module-sales/Model/Order/Creditmemo/Item.php
+++ b/vendor/magento/module-sales/Model/Order/Creditmemo/Item.php
@@ -260,24 +260,24 @@ class Item extends AbstractModel implements CreditmemoItemInterface
             $availableQty = $orderItemQtyInvoiced - $orderItem->getQtyRefunded();
             $rowTotal = $creditmemo->roundPrice($rowTotal / $availableQty * $qty);
             $baseRowTotal = $creditmemo->roundPrice($baseRowTotal / $availableQty * $qty, 'base');
         }
         $this->setRowTotal($rowTotal);
         $this->setBaseRowTotal($baseRowTotal);
 
         if ($rowTotalInclTax && $baseRowTotalInclTax) {
             $orderItemQty = $orderItem->getQtyOrdered();
             $this->setRowTotalInclTax(
-                $creditmemo->roundPrice($rowTotalInclTax / $orderItemQty * $qty, 'including')
+                $creditmemo->roundPrice($rowTotalInclTax / $orderItemQtyInvoiced * $qty, 'including')
             );
             $this->setBaseRowTotalInclTax(
-                $creditmemo->roundPrice($baseRowTotalInclTax / $orderItemQty * $qty, 'including_base')
+                $creditmemo->roundPrice($baseRowTotalInclTax / $orderItemQtyInvoiced * $qty, 'including_base')
             );
         }
         return $this;
     }
 
     /**
      * Checking if the item is last
      *
      * @return bool
      */