diff --git a/psacct/manifests/init.pp b/psacct/manifests/init.pp
index ac6a042..99bcb18 100644
--- a/psacct/manifests/init.pp
+++ b/psacct/manifests/init.pp
@@ -23,7 +23,7 @@ class psacct {
 class psacct::linux {
 
     package { "psacct":
-        name   => $operatingsystem ? {
+        name   => $::operatingsystem ? {
             ubuntu  => "acct",
             default => "psacct",
         },
@@ -31,11 +31,14 @@ class psacct::linux {
     }
 
     service { "psacct":
-        name      => $operatingsystem ? {
-            ubuntu  => "acct",
-            default => "psacct",
+        name      => $::operatingsystem ? {
+            "ubuntu" => "acct",
+            default  => "psacct",
+        },
+        ensure    => $operatingsystem ? {
+            "ubuntu" => undef,
+            default  => running,
         },
-        ensure    => running,
         enable    => true,
         hasstatus => true,
         require   => Package["psacct"],