diff --git a/package/dhcp/dhcpd.service b/package/dhcp/dhcpd.service
index 7b265cbf3f..d58fbd5d05 100644
--- a/package/dhcp/dhcpd.service
+++ b/package/dhcp/dhcpd.service
@@ -7,7 +7,7 @@ Type=forking
 PIDFile=/run/dhcpd.pid
 ExecStart=/usr/sbin/dhcpd -q -pf /run/dhcpd.pid $INTERFACES
 KillSignal=SIGINT
-EnvironmentFile=/etc/default/dhcpd.conf
+EnvironmentFile=-/etc/default/dhcpd.conf
 
 [Install]
 WantedBy=multi-user.target