diff --git a/bacula-sd.init b/bacula-sd.init
index e6ff9a8..8222f88 100644
--- a/bacula-sd.init
+++ b/bacula-sd.init
@@ -28,6 +28,8 @@ OPTS="-c $CONFIG"
 
 [ -e /etc/sysconfig/$prog ] && . /etc/sysconfig/$prog
 
+lockfile=/var/lock/subsys/$prog
+
 if [ "$SD_USER" != '' ]; then
         OPTS="$OPTS -u $SD_USER"
 fi