diff --git a/core/includes/install.inc b/core/includes/install.inc
index 8c2e9fe..3ab18f6 100644
--- a/core/includes/install.inc
+++ b/core/includes/install.inc
@@ -8,6 +8,7 @@
 use Symfony\Component\HttpFoundation\RedirectResponse;
 use Drupal\Component\Utility\Crypt;
 use Drupal\Component\Utility\OpCodeCache;
+use Drupal\Component\Utility\SafeMarkup;
 use Drupal\Component\Utility\UrlHelper;
 use Drupal\Core\Extension\ExtensionDiscovery;
 use Drupal\Core\Site\Settings;
@@ -1023,6 +1024,9 @@ function drupal_check_module($module) {
         if (isset($requirement['value']) && $requirement['value']) {
           $message .= ' (' . t('Currently using !item !version', array('!item' => $requirement['title'], '!version' => $requirement['value'])) . ')';
         }
+        if (SafeMarkup::isSafe($requirement['description'])) {
+          $message = SafeMarkup::set($message);
+        }
         drupal_set_message($message, 'error');
       }
     }