diff --git a/plinth/modules/email/data/usr/share/freedombox/etc/dovecot/conf.d/2.4/15-freedombox-mail.conf b/plinth/modules/email/data/usr/share/freedombox/etc/dovecot/conf.d/2.4/15-freedombox-mail.conf
index d5b475b9d..6e9f012d7 100644
--- a/plinth/modules/email/data/usr/share/freedombox/etc/dovecot/conf.d/2.4/15-freedombox-mail.conf
+++ b/plinth/modules/email/data/usr/share/freedombox/etc/dovecot/conf.d/2.4/15-freedombox-mail.conf
@@ -9,6 +9,7 @@
 # have enabled btrfs filesystem compression by default.
 mail_driver = sdbox
 mail_path = ~/mail
+mail_inbox_path =
 
 # We try to deliver all mail using a single UID 'mail' and a single GID 'mail'.
 # In Debian, UID of mail user is 8 and GID of mail user is 8 as set in