diff --git a/systemd/journald.conf b/systemd/journald.conf
index b7dd8aa..c3ff7ad 100644
--- a/systemd/journald.conf
+++ b/systemd/journald.conf
@@ -30,7 +30,7 @@ SystemMaxFiles=10000
 #RuntimeKeepFree=
 #RuntimeMaxFileSize=
 #RuntimeMaxFiles=100
-MaxRetentionSec=10day
+MaxRetentionSec={{journald_max_retention_sec}}
 MaxFileSec=1day
 #ForwardToSyslog=no
 #ForwardToKMsg=no