diff --git a/etc/zfs-auto-snapshot.cron.daily b/etc/zfs-auto-snapshot.cron.daily
index 94cd7a2..7390399 100644
--- a/etc/zfs-auto-snapshot.cron.daily
+++ b/etc/zfs-auto-snapshot.cron.daily
@@ -1,5 +1,5 @@
 #!/bin/sh
 
 # Only call zfs-auto-snapshot if it's available
-exec which zfs-auto-snapshot > /dev/null && \
+which zfs-auto-snapshot > /dev/null && \
      zfs-auto-snapshot --quiet --syslog --label=daily --keep=31 //
diff --git a/etc/zfs-auto-snapshot.cron.hourly b/etc/zfs-auto-snapshot.cron.hourly
index a893409..4e15d04 100644
--- a/etc/zfs-auto-snapshot.cron.hourly
+++ b/etc/zfs-auto-snapshot.cron.hourly
@@ -1,5 +1,5 @@
 #!/bin/sh
 
 # Only call zfs-auto-snapshot if it's available
-exec which zfs-auto-snapshot > /dev/null && \
+which zfs-auto-snapshot > /dev/null && \
      zfs-auto-snapshot --quiet --syslog --label=hourly --keep=24 //
diff --git a/etc/zfs-auto-snapshot.cron.monthly b/etc/zfs-auto-snapshot.cron.monthly
index 7394e99..57e2050 100644
--- a/etc/zfs-auto-snapshot.cron.monthly
+++ b/etc/zfs-auto-snapshot.cron.monthly
@@ -1,5 +1,5 @@
 #!/bin/sh
 
 # Only call zfs-auto-snapshot if it's available
-exec which zfs-auto-snapshot > /dev/null && \
+which zfs-auto-snapshot > /dev/null && \
      zfs-auto-snapshot --quiet --syslog --label=monthly --keep=12 //
diff --git a/etc/zfs-auto-snapshot.cron.weekly b/etc/zfs-auto-snapshot.cron.weekly
index 9e20f31..f2d98d0 100644
--- a/etc/zfs-auto-snapshot.cron.weekly
+++ b/etc/zfs-auto-snapshot.cron.weekly
@@ -1,5 +1,5 @@
 #!/bin/sh
 
 # Only call zfs-auto-snapshot if it's available
-exec which zfs-auto-snapshot > /dev/null && \
+which zfs-auto-snapshot > /dev/null && \
      zfs-auto-snapshot --quiet --syslog --label=weekly --keep=8 //