diff --git a/include/functions_mail.inc.php b/include/functions_mail.inc.php
index 2ca309d17..c99cd266a 100644
--- a/include/functions_mail.inc.php
+++ b/include/functions_mail.inc.php
@@ -606,6 +606,7 @@ function pwg_mail($to, $args=array(), $tpl=array())
     $conf_mail = get_mail_configuration();
   }
 
+  include_once(PHPWG_ROOT_PATH.'include/phpmailer/Exception.php');
   include_once(PHPWG_ROOT_PATH.'include/phpmailer/SMTP.php');
   include_once(PHPWG_ROOT_PATH.'include/phpmailer/PHPMailer.php');