diff --git a/wis2-grep-management/docker/wis2-grep-management.cron b/wis2-grep-management/docker/wis2-grep-management.cron
index 2ebf473..2878605 100644
--- a/wis2-grep-management/docker/wis2-grep-management.cron
+++ b/wis2-grep-management/docker/wis2-grep-management.cron
@@ -1 +1 @@
-19 * * * * su -c "wis2-grep clean --hours=$WIS2_GREP_MESSAGE_RETENTION_HOURS" > /proc/1/fd/1 2>/proc/1/fd/2
+19 * * * * su -c "wis2-grep clean" > /proc/1/fd/1 2>/proc/1/fd/2