diff --git a/Service/Order/PaymentReminder.php b/Service/Order/PaymentReminder.php
index b6ef89a9e58..9931396e6af 100644
--- a/Service/Order/PaymentReminder.php
+++ b/Service/Order/PaymentReminder.php
@@ -152,7 +152,7 @@ private function orderIsInStock(OrderInterface $order): bool
     {
         /** @var OrderItemInterface $item */
         foreach ($order->getAllVisibleItems() as $item) {
-            if (!$item->getProduct()->isSaleable()) {
+            if (!$item->getProduct() || !$item->getProduct()->isSaleable()) {
                 return false;
             }
         }