diff --git a/classes/cluster/virtual-mcp-mitaka-dvr-trusty/init.yml b/classes/cluster/virtual-mcp-mitaka-dvr-trusty/init.yml
index 3593d3b..3f402da 100644
--- a/classes/cluster/virtual-mcp-mitaka-dvr-trusty/init.yml
+++ b/classes/cluster/virtual-mcp-mitaka-dvr-trusty/init.yml
@@ -1,4 +1,5 @@
 classes:
+- system.defaults
 - system.linux.network.dynamic_hosts
 - service.grafana.collector
 - system.fluentd