--- a/etc/zfs-auto-snapshot.cron.daily
+++ b/etc/zfs-auto-snapshot.cron.daily
@@ -1,6 +1,6 @@
 #!/bin/sh
 
 # Only call zfs-auto-snapshot if it's available
-which zfs-auto-snapshot > /dev/null || exit 0
+command -v zfs-auto-snapshot > /dev/null || exit 0
 
 exec zfs-auto-snapshot --quiet --syslog --label=daily --keep=31 //
--- a/etc/zfs-auto-snapshot.cron.frequent
+++ b/etc/zfs-auto-snapshot.cron.frequent
@@ -1,3 +1,3 @@
 PATH="/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/sbin"
 
-*/15 * * * * root which zfs-auto-snapshot > /dev/null || exit 0 ; zfs-auto-snapshot --quiet --syslog --label=frequent --keep=4 //
+*/15 * * * * root command -v zfs-auto-snapshot > /dev/null || exit 0 ; zfs-auto-snapshot --quiet --syslog --label=frequent --keep=4 //
--- a/etc/zfs-auto-snapshot.cron.hourly
+++ b/etc/zfs-auto-snapshot.cron.hourly
@@ -1,6 +1,6 @@
 #!/bin/sh
 
 # Only call zfs-auto-snapshot if it's available
-which zfs-auto-snapshot > /dev/null || exit 0
+command -v zfs-auto-snapshot > /dev/null || exit 0
 
 exec zfs-auto-snapshot --quiet --syslog --label=hourly --keep=24 //
--- a/etc/zfs-auto-snapshot.cron.monthly
+++ b/etc/zfs-auto-snapshot.cron.monthly
@@ -1,6 +1,6 @@
 #!/bin/sh
 
 # Only call zfs-auto-snapshot if it's available
-which zfs-auto-snapshot > /dev/null || exit 0
+command -v zfs-auto-snapshot > /dev/null || exit 0
 
 exec zfs-auto-snapshot --quiet --syslog --label=monthly --keep=12 //
--- a/etc/zfs-auto-snapshot.cron.weekly
+++ b/etc/zfs-auto-snapshot.cron.weekly
@@ -1,6 +1,6 @@
 #!/bin/sh
 
 # Only call zfs-auto-snapshot if it's available
-which zfs-auto-snapshot > /dev/null || exit 0
+command -v zfs-auto-snapshot > /dev/null || exit 0
 
 exec zfs-auto-snapshot --quiet --syslog --label=weekly --keep=8 //