diff --git a/management/demo/def.json b/management/demo/def.json
index 0735d82..d1149a1 100644
--- a/management/demo/def.json
+++ b/management/demo/def.json
@@ -2,6 +2,7 @@
     "classes": {
         "mpf_augments_control_enabled": ["any"],
         "cfengine_internal_purge_policies": ["any"],
+        "cfengine_internal_purge_policies_disabled": ["any"],
         "cfengine_mp_fr_dependencies_auto_install": ["any"]
     },
     "vars": {