--- dhcpd.in	2017-10-02 19:57:38.435781000 +0200
+++ dhcpd.in.interfaces	2018-03-06 21:57:31.664069000 +0100
@@ -10,16 +10,19 @@
 # Add the following lines to /etc/rc.conf to enable dhcpd:
 # dhcpd_enable="YES"
 # dhcpd_flags="<set as needed>"
+# dhcpd_interfaces="<set as needed">
 
 . /etc/rc.subr
 
 name=dhcpd
 rcvar=dhcpd_enable
 
+load_rc_config $name
+
 command="%%PREFIX%%/sbin/dhcpd"
+command_args=${dhcpd_interfaces}
 
 dhcpd_enable=${dhcpd_enable:-"NO"}
 dhcpd_flags=${dhcpd_flags:-"-c %%PREFIX%%/etc/dhcpd.conf"}
 
-load_rc_config $name
 run_rc_command "$1"