diff --git a/includes/alerts/transport.mail.php b/includes/alerts/transport.mail.php
index 60837b300..56608aa69 100644
--- a/includes/alerts/transport.mail.php
+++ b/includes/alerts/transport.mail.php
@@ -21,4 +21,4 @@
  * @subpackage Alerts
  */
 
-return send_mail($obj['contacts'], $obj['title'], $obj['msg']);
+return send_mail($obj['contacts'], $obj['title'], $obj['msg'], $opts['html'] ? true : false );