diff --git a/crontab b/crontab
index 38ff952..59b0de9 100644
--- a/crontab
+++ b/crontab
@@ -1,4 +1,2 @@
 SHELL=/bin/sh
 PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
-
-8 4 * * * aptmirror /bin/bash -c ". /tmp/mirror-vars.sh; /usr/local/bin/mirror.sh"
diff --git a/start b/start
index bf1268e..42cad5b 100755
--- a/start
+++ b/start
@@ -6,4 +6,7 @@ set -eux
 
 env | grep -e ^MIRROR_ | while read line ; do echo "export $line" | tee -a /tmp/mirror-vars.sh ; done
 
+
+echo "${MIRROR_CRON} aptmirror /bin/bash -c '. /tmp/mirror-vars.sh; /usr/local/bin/mirror.sh'" >> /etc/cron.d/crontab
+
 exec cron -f
diff --git a/vars.sh b/vars.sh
index 7d4fce3..1ee5c4b 100644
--- a/vars.sh
+++ b/vars.sh
@@ -9,6 +9,7 @@ export MIRROR_SECTION="${MIRROR_SECTION:-main,restricted,universe,multiverse}"
 export MIRROR_RELEASE="${MIRROR_RELEASE:-jammy,jammy-security,jammy-updates,jammy-backports}"
 export MIRROR_SERVER="${MIRROR_SERVER:-archive.ubuntu.com}"
 export MIRROR_PROTO="${MIRROR_PROTO:-http}"
+export MIRROR_CRON="${MIRROR_CRON:-8 4 * * *}"
 
 groupadd --gid $MIRROR_UID aptmirror
 useradd --no-user-group --gid aptmirror --uid $MIRROR_UID aptmirror