diff --git a/plugins/notifier/abstract.inc b/plugins/notifier/abstract.inc
index 17b9f89..1713ed4 100644
--- a/plugins/notifier/abstract.inc
+++ b/plugins/notifier/abstract.inc
@@ -78,7 +78,8 @@ abstract class MessageNotifierBase implements MessageNotifierInterface {
     $message = $this->message;
     $output = array();
     foreach ($this->viewModes() as $view_mode => $value) {
-      $output[$view_mode] = render($message->buildContent($view_mode));
+      $content = $message->buildContent($view_mode);
+      $output[$view_mode] = render($content);
     }
     $result = $this->deliver($output);
     $this->postSend($result, $output);