diff --git a/Model/Adapter/QuickPayAdapter.php b/Model/Adapter/QuickPayAdapter.php
index 36be7f9..49624d8 100644
--- a/Model/Adapter/QuickPayAdapter.php
+++ b/Model/Adapter/QuickPayAdapter.php
@@ -92,7 +92,7 @@ public function authorizeAndCreatePaymentLink(array $attributes)
                 'currency' => $attributes['CURRENCY'],
             ];
 
-            $shippingAddress = $attributes['SHIPPING_ADDRESS'];
+            $shippingAddress = $attributes['SHIPPING_ADDRESS'] ?? $attributes['BILLING_ADDRESS'];
             $form['shipping_address'] = [];
             $form['shipping_address']['name'] = $shippingAddress->getFirstName() . " " . $shippingAddress->getLastName();
             $form['shipping_address']['street'] = $shippingAddress->getStreetLine1();