diff --git a/usr/lib/systemd/system/dhcpd4.service b/etc/systemd/system/dhcpd.service
index de26d58..3f4e509 100644
--- a/usr/lib/systemd/system/dhcpd4.service
+++ b/etc/systemd/system/dhcpd.service
@@ -5,7 +5,8 @@ After=network.target
 [Service]
 Type=forking
 PIDFile=/run/dhcpd4.pid
-ExecStart=/usr/bin/dhcpd -4 -q -cf /etc/dhcpd.conf -pf /run/dhcpd4.pid
+EnvironmentFile=-/etc/conf.d/dhcpd4
+ExecStart=/usr/bin/dhcpd -4 -q -cf /etc/dhcpd.conf -pf /run/dhcpd4.pid $INTERFACES
 KillSignal=SIGINT

 [Install]