diff --git a/core/lib/Drupal/Core/Render/Element/HtmlTag.php b/core/lib/Drupal/Core/Render/Element/HtmlTag.php
index 553767f..269627c 100644
--- a/core/lib/Drupal/Core/Render/Element/HtmlTag.php
+++ b/core/lib/Drupal/Core/Render/Element/HtmlTag.php
@@ -94,7 +94,7 @@ public static function preRenderHtmlTag($element) {
       $markup = SafeMarkup::set($markup);
     }
     if (!empty($element['#noscript'])) {
-      $element['#markup'] = '<noscript>' . $markup . '</noscript>';
+      $element['#markup'] = SafeMarkup::set('<noscript>' . $markup . '</noscript>');
     }
     else {
       $element['#markup'] = $markup;