diff --git a/libexec/rc/rc.conf b/libexec/rc/rc.conf
index c2941c770b56..1812b099530a 100644
--- a/libexec/rc/rc.conf
+++ b/libexec/rc/rc.conf
@@ -67,6 +67,7 @@ rc_conf_files="/etc/rc.conf /etc/rc.conf.local"
 
 # ZFS support
 zfs_enable="NO"		# Set to YES to automatically mount ZFS file systems
+zfskeys_enable="NO"	# Set YES to autoload ZFS encryption keys
 zfs_bootonce_activate="NO" # Set YES to make successful bootonce BE permanent
 
 # ZFSD support