diff --git a/manifests/params.pp b/manifests/params.pp
index 9d98aa9..842224b 100644
--- a/manifests/params.pp
+++ b/manifests/params.pp
@@ -16,6 +16,12 @@
       $radvd_package = 'radvd'
       $sysconfig = {}
       $deb_default = false
+      $auth_unix_ro = undef
+      $auth_unix_rw = undef
+      $unix_sock_dir = undef
+      $unix_sock_group = undef
+      $unix_sock_ro_perms = undef
+      $unix_sock_rw_perms = undef
     }
     'Debian': {
       $libvirt_package = 'libvirt-bin'