diff --git a/vendor/amzn/amazon-pay-module/Model/OrderInformationManagement.php b/vendor/amzn/amazon-pay-module/Model/OrderInformationManagement.php
index 540b357..c18ef91 100644
--- a/vendor/amzn/amazon-pay-module/Model/OrderInformationManagement.php
+++ b/vendor/amzn/amazon-pay-module/Model/OrderInformationManagement.php
@@ -144,24 +144,11 @@ public function saveOrderInformation($amazonOrderReferenceId, $allowedConstraint
             ];

             $responseParser = $this->clientFactory->create($storeId)->setOrderReferenceDetails($data);
-            try {
-                $response       = $this->amazonSetOrderDetailsResponseFactory->create(
-                    [
-                    'response' => $responseParser
-                    ]
-                );
+            $response = $this->amazonSetOrderDetailsResponseFactory->create([
+                'response' => $responseParser
+            ]);

-                $this->validateConstraints($response, $allowedConstraints);
-            } catch (AmazonServiceUnavailableException $e) {
-                if($e->getApiErrorCode() == 'OrderReferenceNotModifiable') {
-                    $this->logger->warning(
-                        "Could not modify Amazon order details for $amazonOrderReferenceId: "
-                        . $e->getApiErrorMessage()
-                    );
-                } else {
-                    throw $e;
-                }
-            }
+            $this->validateConstraints($response, $allowedConstraints);
         } catch (LocalizedException $e) {
             throw $e;
         } catch (Exception $e) {
diff --git a/vendor/amzn/amazon-pay-module/Plugin/ConfirmOrderReference.php b/vendor/amzn/amazon-pay-module/Plugin/ConfirmOrderReference.php
index 6bad468..14b1264 100644
--- a/vendor/amzn/amazon-pay-module/Plugin/ConfirmOrderReference.php
+++ b/vendor/amzn/amazon-pay-module/Plugin/ConfirmOrderReference.php
@@ -25,6 +25,7 @@
 use Amazon\Payment\Model\OrderInformationManagement;
 use Magento\Quote\Api\Data\PaymentInterface;
 use Magento\Quote\Api\Data\AddressInterface;
+use Magento\Framework\Webapi\Rest\Request;
 use Magento\Framework\Exception\LocalizedException;
 use Amazon\Payment\Gateway\Config\Config as GatewayConfig;
 use Magento\Quote\Api\CartRepositoryInterface;
@@ -41,6 +42,11 @@ class ConfirmOrderReference
      */
     private $checkoutSession;

+    /**
+     * @var Request
+     */
+    private $request;
+
     /**
      * @var OrderInformationManagement
      */
@@ -54,19 +60,31 @@ class ConfirmOrderReference
     /**
      * ConfirmOrderReference constructor.
      * @param Session $checkoutSession
+     * @param Request $request
      * @param OrderInformationManagement $orderInformationManagement
      * @param CartRepositoryInterface $quoteRepository
      */
     public function __construct(
         Session $checkoutSession,
+        Request $request,
         OrderInformationManagement $orderInformationManagement,
         CartRepositoryInterface $quoteRepository
     ) {
         $this->checkoutSession = $checkoutSession;
+        $this->request = $request;
         $this->orderInformationManagement = $orderInformationManagement;
         $this->quoteRepository = $quoteRepository;
     }

+    /**
+     * @return boolean
+     */
+    protected function canConfirmOrderReference()
+    {
+        $data = $this->request->getRequestData();
+        return !empty($data['confirmOrder']);
+    }
+
     /**
      * @param PaymentMethodManagementInterface $subject
      * @param $result
@@ -94,10 +112,12 @@ public function afterSet(
                     $this->orderInformationManagement->saveOrderInformation($amazonOrderReferenceId);
                 }

-                $this->orderInformationManagement->confirmOrderReference(
-                    $amazonOrderReferenceId,
-                    $quote->getStoreId()
-                );
+                if ($this->canConfirmOrderReference()) {
+                    $this->orderInformationManagement->confirmOrderReference(
+                        $amazonOrderReferenceId,
+                        $quote->getStoreId()
+                    );
+                }
             }
         }

diff --git a/vendor/amzn/amazon-pay-module/view/frontend/web/js/action/place-order.js b/vendor/amzn/amazon-pay-module/view/frontend/web/js/action/place-order.js
index 63caadf..a254c3d 100644
--- a/vendor/amzn/amazon-pay-module/view/frontend/web/js/action/place-order.js
+++ b/vendor/amzn/amazon-pay-module/view/frontend/web/js/action/place-order.js
@@ -40,6 +40,7 @@ define(
                     quoteId: quote.getQuoteId()
                 });
                 payload = {
+                    confirmOrder: true,
                     cartId: quote.getQuoteId(),
                     email: quote.guestEmail,
                     paymentMethod: paymentData,
@@ -48,6 +49,7 @@ define(
             } else {
                 serviceUrl = urlBuilder.createUrl('/carts/mine/set-payment-information', {});
                 payload = {
+                    confirmOrder: true,
                     cartId: quote.getQuoteId(),
                     paymentMethod: paymentData,
                     billingAddress: quote.billingAddress()