diff --git a/vim/manifests/init.pp b/vim/manifests/init.pp
index 27bc0ae..bcd4022 100644
--- a/vim/manifests/init.pp
+++ b/vim/manifests/init.pp
@@ -4,15 +4,15 @@
 class vim {
 
     package { "vim":
-        name   => $operatingsystem ? {
-            centos  => "vim-enhanced",
-            fedora  => "vim-enhanced",
-            default => "vim",
+        name   => $::operatingsystem ? {
+            "centos" => "vim-enhanced",
+            "fedora" => "vim-enhanced",
+            default  => "vim",
         },
         ensure => installed,
     }
 
-    if $puppetversion =~ /^2\./ {
+    if $::puppetversion =~ /^2\./ {
         Package["vim"] {
             flavor => "gtk2",
         }