diff --git a/add-ons/yard/make-debian-X11/replacements/root/setup-debian-X11 b/add-ons/yard/make-debian-X11/replacements/root/setup-debian-X11
index 5a927f0..8aff8d1 100755
--- a/add-ons/yard/make-debian-X11/replacements/root/setup-debian-X11
+++ b/add-ons/yard/make-debian-X11/replacements/root/setup-debian-X11
@@ -16,6 +16,7 @@ chown user /home/user/*
 chgrp user /home/user/*
 chown user /home/user/.*
 chgrp user /home/user/.*
+chmod 777 /tmp
 
 # swim --initdb