diff --git a/plist b/plist
index 51e7302f5c..e32b600185 100644
--- a/plist
+++ b/plist
@@ -1410,6 +1410,7 @@
 /usr/local/opnsense/service/templates/OPNsense/Captiveportal/lighttpd-zone.conf
 /usr/local/opnsense/service/templates/OPNsense/Captiveportal/rc.conf.d
 /usr/local/opnsense/service/templates/OPNsense/Cron/+TARGETS
+/usr/local/opnsense/service/templates/OPNsense/Cron/at.cron
 /usr/local/opnsense/service/templates/OPNsense/Cron/user.cron
 /usr/local/opnsense/service/templates/OPNsense/Dnsmasq/+TARGETS
 /usr/local/opnsense/service/templates/OPNsense/Dnsmasq/dnsmasq.conf
diff --git a/src/opnsense/scripts/firmware/health.sh b/src/opnsense/scripts/firmware/health.sh
index 31eaa013ce..77926c164f 100755
--- a/src/opnsense/scripts/firmware/health.sh
+++ b/src/opnsense/scripts/firmware/health.sh
@@ -35,6 +35,7 @@ CMD=${1}
 MTREE_PATTERNS="
 ./.cshrc
 ./.profile
+./etc/cron.d/at
 ./etc/csh.cshrc
 ./etc/group
 ./etc/hosts
diff --git a/src/opnsense/service/templates/OPNsense/Cron/+TARGETS b/src/opnsense/service/templates/OPNsense/Cron/+TARGETS
index 7c30a5502c..090351648f 100644
--- a/src/opnsense/service/templates/OPNsense/Cron/+TARGETS
+++ b/src/opnsense/service/templates/OPNsense/Cron/+TARGETS
@@ -1 +1,2 @@
+at.cron:/etc/cron.d/at
 user.cron:/var/cron/tabs/nobody
diff --git a/src/opnsense/service/templates/OPNsense/Cron/at.cron b/src/opnsense/service/templates/OPNsense/Cron/at.cron
new file mode 100644
index 0000000000..503ae5039b
--- /dev/null
+++ b/src/opnsense/service/templates/OPNsense/Cron/at.cron
@@ -0,0 +1,6 @@
+#
+SHELL=/bin/sh
+PATH=/etc:/bin:/sbin:/usr/bin:/usr/sbin
+
+# See crontab(5) for field format.
+*	*	*	*	*	root	/usr/libexec/atrun