diff --git a/merge/dev-libs/libcgroup/default/cgconfig b/merge/dev-libs/libcgroup/default/cgconfig
index 9d4ee78..7c0951a 100644
--- a/merge/dev-libs/libcgroup/default/cgconfig
+++ b/merge/dev-libs/libcgroup/default/cgconfig
@@ -1,2 +1,2 @@
-{% save custom.runlevels.cgconfig = "on" %}
-{% calculate append="link", source="/etc/init.d/cgconfig" %}
+{% calculate append="link", source="/etc/init.d/cgconfig", custom.runlevels.cgconfig != 'on' or grep('var/lib/calculate/-runlevels-libcgroup','/cgconfig') %}
+{% save.system custom.runlevels.cgconfig = "on" %}