diff --git a/core/modules/content_translation/content_translation.pages.inc b/core/modules/content_translation/content_translation.pages.inc
index 9898678..7cd97d6 100644
--- a/core/modules/content_translation/content_translation.pages.inc
+++ b/core/modules/content_translation/content_translation.pages.inc
@@ -5,6 +5,7 @@
  * The content translation user interface.
  */
 
+use Drupal\Component\Utility\SafeMarkup;
 use Drupal\Core\Language\LanguageInterface;
 use Drupal\Core\Entity\EntityInterface;
 use Drupal\Core\Entity\ContentEntityInterface;
@@ -97,8 +98,7 @@ function content_translation_overview(EntityInterface $entity) {
 
         $translation = $entity->translation[$langcode];
         $status = !empty($translation['status']) ? t('Published') : t('Not published');
-        // @todo Add a theming function here.
-        $status = '<span class="status">' . $status . '</span>' . (!empty($translation['outdated']) ? ' <span class="marker">' . t('outdated') . '</span>' : '');
+        $status = SafeMarkup::set('<span class="status">' . $status . '</span>' . (!empty($translation['outdated']) ? ' <span class="marker">' . t('outdated') . '</span>' : ''));
 
         if ($is_original) {
           $language_name = t('<strong>@language_name (Original language)</strong>', array('@language_name' => $language_name));