diff --git a/core/lib/Drupal/Core/Render/Renderer.php b/core/lib/Drupal/Core/Render/Renderer.php
index 2ef11d1..2067de7 100644
--- a/core/lib/Drupal/Core/Render/Renderer.php
+++ b/core/lib/Drupal/Core/Render/Renderer.php
@@ -518,7 +518,7 @@ protected function doRender(&$elements, $is_root_call = FALSE) {
     $prefix = isset($elements['#prefix']) ? $this->xssFilterAdminIfUnsafe($elements['#prefix']) : '';
     $suffix = isset($elements['#suffix']) ? $this->xssFilterAdminIfUnsafe($elements['#suffix']) : '';
 
-    $elements['#markup'] = SafeString::create($prefix . $elements['#children'] . $suffix);
+    $elements['#markup'] = $prefix . $elements['#children'] . $suffix;
 
     // We've rendered this element (and its subtree!), now update the context.
     $context->update($elements);
@@ -553,7 +553,7 @@ protected function doRender(&$elements, $is_root_call = FALSE) {
     $context->bubble();
 
     $elements['#printed'] = TRUE;
-    return $elements['#markup'];
+    return SafeString::create($elements['#markup']);
   }
 
   /**