diff --git a/README.md b/README.md
index 1a3cdc60..af85d5eb 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,10 @@
 <p align="center">
     <a href="https://sylius.com" target="_blank">
-        <img src="https://sylius.com/assets/logo/sylius-logo-800.png" width="200"  />
+        <picture>
+          <source media="(prefers-color-scheme: dark)" srcset="https://media.sylius.com/sylius-logo-800-dark.png">
+          <source media="(prefers-color-scheme: light)" srcset="https://media.sylius.com/sylius-logo-800.png">
+          <img alt="Sylius Logo." src="https://media.sylius.com/sylius-logo-800.png">
+        </picture>
     </a>
 </p>
 <br/>
diff --git a/src/Controller/PayPalOrderItemController.php b/src/Controller/PayPalOrderItemController.php
index cc940c82..0658b880 100644
--- a/src/Controller/PayPalOrderItemController.php
+++ b/src/Controller/PayPalOrderItemController.php
@@ -48,7 +48,7 @@ public function createFromProductDetailsAction(Request $request): Response
 
         $form = $form->handleRequest($request);
 
-        if (!$form->isValid()) {
+        if ($form->isSubmitted() && !$form->isValid()) {
             return new RedirectResponse((string) $request->headers->get('referer'));
         }