diff --git a/src/Controller/MultiUploadController.php b/src/Controller/MultiUploadController.php
index e907dc6..c0f98b8 100644
--- a/src/Controller/MultiUploadController.php
+++ b/src/Controller/MultiUploadController.php
@@ -84,6 +84,7 @@ private function createMultiUploadForm(MediaProviderInterface $provider, string
     {
         return $this->createForm(MultiUploadType::class, null, [
             'data_class' => $this->mediaManager->getClass(),
+            'action' => $this->admin->generateUrl('multi_upload', ['provider' => $provider->getName()]),
             'provider' => $provider->getName(),
             'context' => $context,
         ]);
diff --git a/src/Resources/views/multi_upload.html.twig b/src/Resources/views/multi_upload.html.twig
index 720a46b..4dcc159 100644
--- a/src/Resources/views/multi_upload.html.twig
+++ b/src/Resources/views/multi_upload.html.twig
@@ -44,7 +44,7 @@
             let cancelRedirect = false;
             let uploadedMediaIds = [];
             $('div.{{ form.vars.id }}').dmUploader({
-                url: '{{ form.vars.action }}',
+                url: '{{ form.vars.action|raw }}',
                 maxFileSize: {{ maxUploadFilesize }},
                 {% if provider.allowedExtensions is defined %}
                     extFilter: {{ provider.allowedExtensions|json_encode|raw }},