diff --git a/src/Processor/PayPalAddressProcessor.php b/src/Processor/PayPalAddressProcessor.php
index defb813b..a8569f69 100644
--- a/src/Processor/PayPalAddressProcessor.php
+++ b/src/Processor/PayPalAddressProcessor.php
@@ -24,9 +24,13 @@ public function __construct(ObjectManager $objectManager)
      */
     public function process(array $address, OrderInterface $order): void
     {
-        /** @var AddressInterface $orderAddress */
+        /** @var ?AddressInterface $orderAddress */
         $orderAddress = $order->getShippingAddress();
 
+        if (null === $orderAddress) {
+            return;
+        }
+
         Assert::keyExists($address, 'admin_area_2');
         Assert::keyExists($address, 'address_line_1');
         Assert::keyExists($address, 'postal_code');