diff --git a/package.mask/all b/package.mask/all
index 5cea8b6..fc942c6 100644
--- a/package.mask/all
+++ b/package.mask/all
@@ -1,4 +1,5 @@
 >app-admin/syslog-ng-3.6
+=app-emulation/xen-4.8.2-r2
 >dev-lang/php-7
 >dev-perl/Net-DNS-0.740.0
 >=dev-python/jinja-2.9