diff --git a/manifests/init.pp b/manifests/init.pp
index d987458..21f1644 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -34,9 +34,9 @@ class puppet (
       $puppetpkgs = "puppet"
     }
   }
-  $puppet_linuxversion_real = $PUPPET_VERSION_LINUX ? {
+  $puppet_linuxversion_real = $::PUPPET_VERSION_LINUX ? {
     ""      => "latest",
-    default => $PUPPET_VERSION_LINUX,
+    default => $::PUPPET_VERSION_LINUX,
   }
 
   package { $puppetpkgs: