diff --git a/src/Kunstmaan/AdminBundle/Controller/DefaultController.php b/src/Kunstmaan/AdminBundle/Controller/DefaultController.php
index 49908cf61e..d699d487c8 100644
--- a/src/Kunstmaan/AdminBundle/Controller/DefaultController.php
+++ b/src/Kunstmaan/AdminBundle/Controller/DefaultController.php
@@ -67,7 +67,7 @@ public function editIndexAction(Request $request)
 
         if ($request->isMethod('POST')) {
             $form->handleRequest($request);
-            if ($form->isValid()) {
+            if ($form->isSubmitted() && $form->isValid()) {
                 $em->persist($dashboardConfiguration);
                 $em->flush($dashboardConfiguration);
 
diff --git a/src/Kunstmaan/AdminListBundle/Controller/AdminListController.php b/src/Kunstmaan/AdminListBundle/Controller/AdminListController.php
index 62f495dd5a..557d8d83a9 100644
--- a/src/Kunstmaan/AdminListBundle/Controller/AdminListController.php
+++ b/src/Kunstmaan/AdminListBundle/Controller/AdminListController.php
@@ -142,7 +142,7 @@ protected function doAddAction(AbstractAdminListConfigurator $configurator, $typ
             }
 
             // Don't redirect to listing when coming from ajax request, needed for url chooser.
-            if ($form->isValid() && !$request->isXmlHttpRequest()) {
+            if ($form->isSubmitted() && $form->isValid() && !$request->isXmlHttpRequest()) {
                 $adminListEvent = new AdminListEvent($helper, $request, $form);
                 $this->container->get('event_dispatcher')->dispatch(
                     AdminListEvents::PRE_ADD,
@@ -265,7 +265,7 @@ protected function doEditAction(AbstractAdminListConfigurator $configurator, $en
             }
 
             // Don't redirect to listing when coming from ajax request, needed for url chooser.
-            if ($form->isValid() && !$request->isXmlHttpRequest()) {
+            if ($form->isSubmitted() && $form->isValid() && !$request->isXmlHttpRequest()) {
                 $adminListEvent = new AdminListEvent($helper, $request, $form);
                 $this->container->get('event_dispatcher')->dispatch(
                     AdminListEvents::PRE_EDIT,
diff --git a/src/Kunstmaan/ConfigBundle/Controller/ConfigController.php b/src/Kunstmaan/ConfigBundle/Controller/ConfigController.php
index fa1fee000a..d6ce555eff 100644
--- a/src/Kunstmaan/ConfigBundle/Controller/ConfigController.php
+++ b/src/Kunstmaan/ConfigBundle/Controller/ConfigController.php
@@ -129,7 +129,7 @@ public function indexAction(Request $request, $internalName)
         if ($request->isMethod('POST')) {
             $form->handleRequest($request);
 
-            if ($form->isValid()) {
+            if ($form->isSubmitted() && $form->isValid()) {
                 $this->em->persist($config);
                 $this->em->flush();
 
diff --git a/src/Kunstmaan/FormBundle/Helper/FormHandler.php b/src/Kunstmaan/FormBundle/Helper/FormHandler.php
index 123963a6fb..be61cdc772 100644
--- a/src/Kunstmaan/FormBundle/Helper/FormHandler.php
+++ b/src/Kunstmaan/FormBundle/Helper/FormHandler.php
@@ -62,7 +62,7 @@ public function handleForm(FormPageInterface $page, Request $request, RenderCont
         $form = $formBuilder->getForm();
         if ($request->getMethod() == 'POST') {
             $form->handleRequest($request);
-            if ($form->isValid()) {
+            if ($form->isSubmitted() && $form->isValid()) {
                 $formSubmission = new FormSubmission();
                 $formSubmission->setIpAddress($request->getClientIp());
                 $formSubmission->setNode($em->getRepository('KunstmaanNodeBundle:Node')->getNodeFor($page));
diff --git a/src/Kunstmaan/LeadGenerationBundle/Controller/AbstractNewsletterController.php b/src/Kunstmaan/LeadGenerationBundle/Controller/AbstractNewsletterController.php
index dc2114bfa9..13a576b24b 100644
--- a/src/Kunstmaan/LeadGenerationBundle/Controller/AbstractNewsletterController.php
+++ b/src/Kunstmaan/LeadGenerationBundle/Controller/AbstractNewsletterController.php
@@ -40,7 +40,7 @@ public function subscribeAction(Request $request, $popup)
         $form = $this->createSubscriptionForm($thePopup);
 
         $form->handleRequest($request);
-        if ($form->isValid()) {
+        if ($form->isSubmitted() && $form->isValid()) {
             $this->handleSubscription($request, $form->getData(), $thePopup);
 
             return $this->render($this->getThanksTemplate(), array(
diff --git a/src/Kunstmaan/MediaBundle/Controller/FolderController.php b/src/Kunstmaan/MediaBundle/Controller/FolderController.php
index 90e72cdefc..bdda535a0e 100644
--- a/src/Kunstmaan/MediaBundle/Controller/FolderController.php
+++ b/src/Kunstmaan/MediaBundle/Controller/FolderController.php
@@ -170,7 +170,7 @@ public function subCreateAction(Request $request, $folderId)
         $form = $this->createForm(FolderType::class, $folder);
         if ($request->isMethod('POST')) {
             $form->handleRequest($request);
-            if ($form->isValid()) {
+            if ($form->isSubmitted() && $form->isValid()) {
                 $em->getRepository('KunstmaanMediaBundle:Folder')->save($folder);
                 $this->addFlash(
                     FlashTypes::SUCCESS,
@@ -230,7 +230,7 @@ public function emptyAction(Request $request, $folderId)
 
         if ($request->isMethod('POST')) {
             $form->handleRequest($request);
-            if ($form->isValid()) {
+            if ($form->isSubmitted() && $form->isValid()) {
 
                 $data = $form->getData();
                 $alsoDeleteFolders = $data['checked'];
diff --git a/src/Kunstmaan/MediaBundle/Controller/MediaController.php b/src/Kunstmaan/MediaBundle/Controller/MediaController.php
index 8032be6e0c..fdf13155a4 100644
--- a/src/Kunstmaan/MediaBundle/Controller/MediaController.php
+++ b/src/Kunstmaan/MediaBundle/Controller/MediaController.php
@@ -47,7 +47,7 @@ public function showAction(Request $request, $mediaId)
 
         if ($request->isMethod('POST')) {
             $form->handleRequest($request);
-            if ($form->isValid()) {
+            if ($form->isSubmitted() && $form->isValid()) {
                 $media = $helper->getMedia();
                 $em->getRepository('KunstmaanMediaBundle:Media')->save($media);
 
@@ -376,7 +376,7 @@ private function createAndRedirect(Request $request, $folderId, $type, $redirect
 
             $form->handleRequest($request);
 
-            if ($form->isValid()) {
+            if ($form->isSubmitted() && $form->isValid()) {
                 $media = $helper->getMedia();
                 $media->setFolder($folder);
                 $em->getRepository('KunstmaanMediaBundle:Media')->save($media);
diff --git a/src/Kunstmaan/MediaBundle/Resources/views/Media/RemoteAudio/preview.html.twig b/src/Kunstmaan/MediaBundle/Resources/views/Media/RemoteAudio/preview.html.twig
index 4eb986591b..19f8bfbb75 100644
--- a/src/Kunstmaan/MediaBundle/Resources/views/Media/RemoteAudio/preview.html.twig
+++ b/src/Kunstmaan/MediaBundle/Resources/views/Media/RemoteAudio/preview.html.twig
@@ -1,7 +1,12 @@
 {% set handler = mediamanager.getHandler(media) %}
 {% set helper = handler.getFormHelper(media) %}
-{% if helper.type == 'soundcloud' %}
+
+{% if helper.type is defined and helper.type == 'soundcloud' %}
     <div class="embed-responsive embed-responsive-16by9">
         <iframe width="560" height="315" scrolling="no" frameborder="no" src="https://w.soundcloud.com/player/?url=https%3A//api.soundcloud.com/tracks/{{ helper.code }}&amp;auto_play=false&amp;hide_related=false&amp;visual=true" class="embed-responsive-item"></iframe>
     </div>
+{% elseif 'audio' in media.contentType %}
+    <audio controls>
+        <source src="{{ media.url }}" />
+    </audio>
 {% endif %}
diff --git a/src/Kunstmaan/SeoBundle/Controller/Admin/SettingsController.php b/src/Kunstmaan/SeoBundle/Controller/Admin/SettingsController.php
index cee095428d..de1f9f45c2 100644
--- a/src/Kunstmaan/SeoBundle/Controller/Admin/SettingsController.php
+++ b/src/Kunstmaan/SeoBundle/Controller/Admin/SettingsController.php
@@ -47,7 +47,7 @@ public function robotsSettingsAction(Request $request)
         ));
         if ($request->isMethod('POST')) {
             $form->handleRequest($request);
-            if ($form->isValid()) {
+            if ($form->isSubmitted() && $form->isValid()) {
 
                 $em->persist($robot);
                 $em->flush();
diff --git a/src/Kunstmaan/TranslatorBundle/Controller/TranslatorController.php b/src/Kunstmaan/TranslatorBundle/Controller/TranslatorController.php
index 94dc59765f..d7f4ca5cd9 100644
--- a/src/Kunstmaan/TranslatorBundle/Controller/TranslatorController.php
+++ b/src/Kunstmaan/TranslatorBundle/Controller/TranslatorController.php
@@ -101,7 +101,7 @@ public function addAction(Request $request, $keyword = '', $domain = '', $locale
                 $form->get('keyword')->addError($error);
             }
 
-            if ($form->isValid()) {
+            if ($form->isSubmitted() && $form->isValid()) {
                 // Create translation
                 $em->getRepository('KunstmaanTranslatorBundle:Translation')->createTranslations($data);
                 $em->flush();
@@ -171,7 +171,7 @@ public function editAction(Request $request, $id)
         if ('POST' == $request->getMethod()) {
             $form->handleRequest($request);
 
-            if ($form->isValid()) {
+            if ($form->isSubmitted() && $form->isValid()) {
                 // Update translations
                 $em->getRepository('KunstmaanTranslatorBundle:Translation')->updateTranslations($translation, $id);
                 $em->flush();
diff --git a/src/Kunstmaan/UserManagementBundle/Controller/GroupsController.php b/src/Kunstmaan/UserManagementBundle/Controller/GroupsController.php
index a3ccc6bb52..9dc5e3ad26 100644
--- a/src/Kunstmaan/UserManagementBundle/Controller/GroupsController.php
+++ b/src/Kunstmaan/UserManagementBundle/Controller/GroupsController.php
@@ -69,7 +69,7 @@ public function addAction(Request $request)
 
         if ($request->isMethod('POST')) {
             $form->handleRequest($request);
-            if ($form->isValid()) {
+            if ($form->isSubmitted() && $form->isValid()) {
                 $em->persist($group);
                 $em->flush();
 
@@ -113,7 +113,7 @@ public function editAction(Request $request, $id)
 
         if ($request->isMethod('POST')) {
             $form->handleRequest($request);
-            if ($form->isValid()) {
+            if ($form->isSubmitted() && $form->isValid()) {
                 $em->persist($group);
                 $em->flush();
 
diff --git a/src/Kunstmaan/UserManagementBundle/Controller/RolesController.php b/src/Kunstmaan/UserManagementBundle/Controller/RolesController.php
index 96b3269bd9..3666e086b9 100644
--- a/src/Kunstmaan/UserManagementBundle/Controller/RolesController.php
+++ b/src/Kunstmaan/UserManagementBundle/Controller/RolesController.php
@@ -66,7 +66,7 @@ public function addAction(Request $request)
 
         if ($request->isMethod('POST')) {
             $form->handleRequest($request);
-            if ($form->isValid()) {
+            if ($form->isSubmitted() && $form->isValid()) {
                 $em->persist($role);
                 $em->flush();
 
@@ -110,7 +110,7 @@ public function editAction(Request $request, $id)
 
         if ($request->isMethod('POST')) {
             $form->handleRequest($request);
-            if ($form->isValid()) {
+            if ($form->isSubmitted() && $form->isValid()) {
                 $em->persist($role);
                 $em->flush();
 
diff --git a/src/Kunstmaan/UserManagementBundle/Controller/UsersController.php b/src/Kunstmaan/UserManagementBundle/Controller/UsersController.php
index 93e917b365..f149125a2e 100644
--- a/src/Kunstmaan/UserManagementBundle/Controller/UsersController.php
+++ b/src/Kunstmaan/UserManagementBundle/Controller/UsersController.php
@@ -105,7 +105,7 @@ public function addAction(Request $request)
 
         if ($request->isMethod('POST')) {
             $form->handleRequest($request);
-            if ($form->isValid()) {
+            if ($form->isSubmitted() && $form->isValid()) {
                 $user->setPasswordChanged(true);
                 /* @var UserManager $userManager */
                 $userManager = $this->container->get('fos_user.user_manager');
@@ -185,7 +185,7 @@ public function editAction(Request $request, $id)
                 $form->handleRequest($request);
             }
 
-            if ($form->isValid()) {
+            if ($form->isSubmitted() && $form->isValid()) {
                 /* @var UserManager $userManager */
                 $userManager = $this->container->get('fos_user.user_manager');
                 $userManager->updateUser($user, true);