diff --git a/libvirt/manifests/init.pp b/libvirt/manifests/init.pp
index b985724..75571fd 100644
--- a/libvirt/manifests/init.pp
+++ b/libvirt/manifests/init.pp
@@ -117,7 +117,7 @@ class libvirt::kvm inherits libvirt::client {
         incl    => "/etc/libvirt/libvirtd.conf",
         lens    => "Simplevars.lns",
         changes => [
-            "set unix_sock_group '\"${admingroup}\"'",
+            "set unix_sock_group '\"${libvirt_admingroup}\"'",
             "set unix_sock_ro_perms '\"0770\"'",
             "set unix_sock_rw_perms '\"0770\"'",
             "set auth_unix_ro '\"none\"'",