diff --git a/puppet-config/modules/hpclib/lib/hpc/dns.rb b/puppet-config/modules/hpclib/lib/hpc/dns.rb
index 4cc5161d..860973eb 100644
--- a/puppet-config/modules/hpclib/lib/hpc/dns.rb
+++ b/puppet-config/modules/hpclib/lib/hpc/dns.rb
@@ -25,6 +25,7 @@
   :scope => {
     'environment' => Puppet[:environment],
     'cluster_name' => Facter.value(:cluster_name),
+    '::cluster_name' => Facter.value(:cluster_name),
   },
   :key => nil,
   :verbose => false,