diff --git a/data/web/lang/lang.en.php b/data/web/lang/lang.en.php
index 7abafe13..fee84eb0 100644
--- a/data/web/lang/lang.en.php
+++ b/data/web/lang/lang.en.php
@@ -245,6 +245,7 @@ $lang['mailbox']['add_domain_alias'] = 'Add domain alias';
 $lang['mailbox']['add_mailbox'] = 'Add mailbox';
 $lang['mailbox']['add_resource'] = 'Add resource';
 $lang['mailbox']['add_alias'] = 'Add alias';
+$lang['mailbox']['temp_aliases'] = 'Temp. aliases';
 
 $lang['info']['no_action'] = 'No action applicable';