diff --git a/core/themes/bartik/bartik.theme b/core/themes/bartik/bartik.theme
index 7148e84..0bd0498 100644
--- a/core/themes/bartik/bartik.theme
+++ b/core/themes/bartik/bartik.theme
@@ -103,6 +103,17 @@ function bartik_preprocess_block(&$variables) {
 }
 
 /**
+ * Implements hook_preprocess_HOOK() for comment.html.twig.
+ */
+function bartik_preprocess_comment(&$variables) {
+  if (isset($variables['content']['links'])) {
+    // Add NAV wrapper element for comment links.
+    $variables['content']['links']['#prefix'] = '<nav>';
+    $variables['content']['links']['#suffix'] = '</nav>';
+  }
+}
+
+/**
  * Implements hook_preprocess_HOOK() for menu.html.twig.
  */
 function bartik_preprocess_menu(&$variables) {