diff --git a/core/lib/Drupal/Core/Template/TwigExtension.php b/core/lib/Drupal/Core/Template/TwigExtension.php
index b22e523..2bc0d85 100644
--- a/core/lib/Drupal/Core/Template/TwigExtension.php
+++ b/core/lib/Drupal/Core/Template/TwigExtension.php
@@ -498,7 +498,7 @@ public function renderVar($arg) {
     }
 
     // Optimize for scalars as it is likely they come from the escape filter.
-    if (is_scalar($arg) || $arg instanceof MarkupInterface) {
+    if (is_scalar($arg) || $arg instanceof MarkupInterface || $arg instanceof \Twig_Markup) {
       return $arg;
     }
 
diff --git a/core/lib/Drupal/Core/Template/TwigNodeTrans.php b/core/lib/Drupal/Core/Template/TwigNodeTrans.php
index 00410af..ed783d5 100644
--- a/core/lib/Drupal/Core/Template/TwigNodeTrans.php
+++ b/core/lib/Drupal/Core/Template/TwigNodeTrans.php
@@ -69,8 +69,8 @@ public function compile(\Twig_Compiler $compiler) {
     foreach ($tokens as $token) {
       $compiler->string($token->getAttribute('placeholder'))->raw(' => $this->env->getExtension("drupal_core")->renderVar(')->subcompile($token)->raw('), ');
     }
-
     $compiler->raw(')');
+
     // Write any options passed.
     if (!empty($options)) {
       $compiler->raw(', ')->subcompile($options);