diff --git a/dom0/aux-tools/fix_dir_perms.sh b/dom0/aux-tools/fix_dir_perms.sh
index 82b3468f..d1ded809 100755
--- a/dom0/aux-tools/fix_dir_perms.sh
+++ b/dom0/aux-tools/fix_dir_perms.sh
@@ -9,8 +9,13 @@ chgrp qubes /var/log/xen
 chmod 770 /var/log/xen
 chgrp qubes /proc/xen/privcmd
 chmod 660 /proc/xen/privcmd
+chgrp qubes /proc/xen/xenbus
+chmod 660 /proc/xen/xenbus
 chgrp qubes /dev/xen/evtchn
 chmod 660 /dev/xen/evtchn
+mkdir -p /var/run/qubes
+chgrp qubes /var/run/qubes
+chmod 770 /var/run/qubes
 touch /var/run/qubes/xl-lock
 chgrp qubes /var/run/qubes/xl-lock
 chmod 660 /var/run/qubes/xl-lock