diff --git a/interface/web/mail/mail_user_list.php b/interface/web/mail/mail_user_list.php
index df69948f118455e764b1396e1ae4ec1817a53937..fcbbaa78b214568d81fe8618602cf1cdc3c285bd 100644
--- a/interface/web/mail/mail_user_list.php
+++ b/interface/web/mail/mail_user_list.php
@@ -44,6 +44,7 @@ class list_action extends listform_actions {
 }
 
 $list = new list_action;
+$list->SQLOrderBy = 'ORDER BY email';
 $list->onLoad();