diff --git a/program/steps/mail/sendmail.inc b/program/steps/mail/sendmail.inc
index ddd180060..30d59dbe3 100644
--- a/program/steps/mail/sendmail.inc
+++ b/program/steps/mail/sendmail.inc
@@ -139,7 +139,7 @@ if (!empty($_SESSION['compose']['references']))
 if (!empty($_POST['_priority']))
   {
   $priority = (int)$_POST['_priority'];
-  $a_priorities = array(1=>'lowest', 2=>'low', 4=>'high', 5=>'highest');
+  $a_priorities = array(1=>'highest', 2=>'high', 4=>'low', 5=>'lowest');
   if ($str_priority = $a_priorities[$priority])
     $headers['X-Priority'] = sprintf("%d (%s)", $priority, ucfirst($str_priority));
   }