diff --git a/manifests/init.pp b/manifests/init.pp
index 561d924d..34a26226 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -11,6 +11,7 @@
   $ipv6_support = 'no',
   $peerdns      = 'no',
   $peerntp      = 'no',
+  $nisdomain    = undef,
 ) {
 
   # Only run on RedHat derived systems.
@@ -65,11 +66,6 @@
         create_resources('network::route', $network_routes)
       }
 
-      $nisdomain = $::nisdomainname ? {
-        ''      => undef,
-        default => $::nisdomainname,
-      }
-
       file { 'network_sysconfig':
         ensure  => 'present',
         mode    => '0644',