diff --git a/systemd/journald.conf b/systemd/journald.conf
index ae0811f..ca4c1e0 100644
--- a/systemd/journald.conf
+++ b/systemd/journald.conf
@@ -32,7 +32,7 @@ SystemMaxFiles=10000
 #RuntimeKeepFree=
 #RuntimeMaxFileSize=
 #RuntimeMaxFiles=100
-MaxRetentionSec={{journald_max_retention_sec}}
+#MaxRetentionSec=
 MaxFileSec=1day
 #ForwardToSyslog=no
 #ForwardToKMsg=no
diff --git a/systemd/system/systemd-journald-vacuum.service b/systemd/system/systemd-journald-vacuum.service
new file mode 100644
index 0000000..ce32e38
--- /dev/null
+++ b/systemd/system/systemd-journald-vacuum.service
@@ -0,0 +1,9 @@
+[Unit]
+Description=Vacuum journald logs
+After=systemd-journald.service
+
+[Service]
+Type=oneshot
+User=root
+Group=root
+ExecStart=/usr/bin/journalctl --vacuum-time={{journald_max_retention_sec}}
diff --git a/systemd/system/systemd-journald-vacuum.timer b/systemd/system/systemd-journald-vacuum.timer
new file mode 100644
index 0000000..0190bdf
--- /dev/null
+++ b/systemd/system/systemd-journald-vacuum.timer
@@ -0,0 +1,8 @@
+[Unit]
+Description=Run systemd-journald-vacuum hourly
+
+[Timer]
+OnCalendar=hourly
+
+[Install]
+WantedBy=timers.target