diff --git a/linux/aux-tools/startup-misc.sh b/linux/aux-tools/startup-misc.sh
index 9edd0e8a..bba40c33 100755
--- a/linux/aux-tools/startup-misc.sh
+++ b/linux/aux-tools/startup-misc.sh
@@ -4,6 +4,7 @@
 
 /usr/lib/qubes/fix-dir-perms.sh
 xenstore-write /local/domain/0/name dom0
+xenstore-write domid 0
 DOM0_MAXMEM=`/usr/sbin/xl info | grep total_memory | awk '{ print $3 }'`
 xenstore-write /local/domain/0/memory/static-max $[ $DOM0_MAXMEM * 1024 ]