diff --git a/etc/init/dhcpd.conf b/etc/init/dhcpd.conf
index b7989b0..d197f01 100644
--- a/etc/init/dhcpd.conf
+++ b/etc/init/dhcpd.conf
@@ -6,6 +6,9 @@ emits		none special
 start on (runlevel [2345] and (started rpc))
 stop on runlevel [016]
 
+pre-start script
+	/sbin/CheckPid /var/run/dhcpd.pid
+	exit $?
 console none
 
 script