diff --git a/birthday_wish_mail.module b/birthday_wish_mail.module
index 6f09d88..11d7e2f 100644
--- a/birthday_wish_mail.module
+++ b/birthday_wish_mail.module
@@ -5,6 +5,7 @@
  * Primary module hooks for Birthday Wish Mail module.
  */
 
+use Drupal\Core\Render\Markup;
 use Drupal\user\Entity\User;
 use Drupal\Core\Routing\RouteMatchInterface;
 use Drupal\Component\Render\PlainTextOutput;
@@ -125,7 +126,7 @@ function birthday_wish_mail_mail($key, &$message, $params) {
         'clear' => TRUE,
       ];
       $message['subject'] .= PlainTextOutput::renderFromHtml($token_service->replace($mail_config->get('site_title'), $variables, $token_options));
-      $message['body'][] = $token_service->replace($mail_config->get('site_value'), $variables, $token_options);
+      $message['body'][] = Markup::create($token_service->replace($mail_config->get('site_value'), $variables, $token_options));
       if ($mail_config->get('site_bcc')) {
         $message['headers']['bcc'] = $mail_config->get('site_bcc');
       }