diff --git a/app/code/Magento/Braintree/Controller/Paypal/Review.php b/app/code/Magento/Braintree/Controller/Paypal/Review.php
index ca252aabe54a9..e6a1dcbc34559 100644
--- a/app/code/Magento/Braintree/Controller/Paypal/Review.php
+++ b/app/code/Magento/Braintree/Controller/Paypal/Review.php
@@ -60,7 +60,7 @@ public function execute()
         try {
             $this->validateQuote($quote);
 
-            if ($this->validateRequestData($requestData)) {
+            if ($requestData && $this->validateRequestData($requestData)) {
                 $this->quoteUpdater->execute(
                     $requestData['nonce'],
                     $requestData['details'],