diff --git a/wp-admin/includes/media.php b/wp-admin/includes/media.php
index 3a0a3ef087..54473d6705 100644
--- a/wp-admin/includes/media.php
+++ b/wp-admin/includes/media.php
@@ -1462,7 +1462,7 @@ function media_upload_type_form($type = 'file', $errors = null, $id = null) {
 ?>
 
 <form enctype="multipart/form-data" method="post" action="<?php echo esc_attr($form_action_url); ?>" class="media-upload-form type-form validate" id="<?php echo $type; ?>-form">
-<input type="submit" class="hidden" name="save" value="">
+<input type="submit" class="hidden" name="save" value="" />
 <input type="hidden" name="post_id" id="post_id" value="<?php echo (int) $post_id; ?>" />
 <?php wp_nonce_field('media-form'); ?>