#!/bin/sh
mkdir -p /var/cache/snooze
-exec snooze -d 1 -s 28d -t /var/cache/snooze/monthly -- run-parts --lsbsysinit /etc/cron.monthly
+exec snooze -d 1 -s 28d -t /var/cache/snooze/monthly -- sh -c \
+ "run-parts --lsbsysinit /etc/cron.monthly; : > /var/cache/snooze/monthly"