Index: program/steps/mail/move_del.inc
===================================================================
--- program/steps/mail/move_del.inc	(revision 11074801923807a9448f7427299ddba76e235e42)
+++ program/steps/mail/move_del.inc	(revision cf1f0f97b23e1d22ee087436edc283da59bfb6ce)
@@ -87,5 +87,5 @@
 // update mailboxlist
 $mbox = $IMAP->get_mailbox_name();
-$OUTPUT->command('set_unread_count', $mbox, $IMAP->messagecount($mbox, 'UNSEEN'));
+$OUTPUT->command('set_unread_count', $mbox, $IMAP->messagecount($mbox, 'UNSEEN'), ($mbox == 'INBOX'));
 
 if ($_action=='moveto' && $target)