diff --git a/app/code/Magento/ConfigurableProductSales/Model/Order/Reorder/OrderedProductAvailabilityChecker.php b/app/code/Magento/ConfigurableProductSales/Model/Order/Reorder/OrderedProductAvailabilityChecker.php
index 45874494589dceeb71ae08f10b71d77c3654f9de..42d7d91fb90e85785acdb3f6a53f1d37f6e680a6 100644
--- a/app/code/Magento/ConfigurableProductSales/Model/Order/Reorder/OrderedProductAvailabilityChecker.php
+++ b/app/code/Magento/ConfigurableProductSales/Model/Order/Reorder/OrderedProductAvailabilityChecker.php
@@ -45,7 +45,7 @@ class OrderedProductAvailabilityChecker implements OrderedProductAvailabilityChe
     public function isAvailable(Item $item)
     {
         $buyRequest = $item->getBuyRequest();
-        $superAttribute = isset($buyRequest->getData()['super_attribute']) ? $buyRequest->getData()['super_attribute'] : [];
+        $superAttribute = $buyRequest->getData()['super_attribute'] ?? [];
         $connection = $this->getConnection();
         $select = $connection->select();
         $orderItemParentId = $item->getParentItem()->getProductId();