diff --git a/config/paths-debian.conf b/config/paths-debian.conf
index 1f5ea37d..4e2847d5 100644
--- a/config/paths-debian.conf
+++ b/config/paths-debian.conf
@@ -28,3 +28,8 @@ exim_main_log = /var/log/exim4/mainlog
 proftpd_log = /var/log/proftpd/proftpd.log
 
 roundcube_errors_log = /var/log/roundcube/errors.log
+
+# These services will log to the journal via syslog, so use the journal by
+# default.
+sshd_backend = systemd
+postfix_backend = systemd