diff --git a/manifests/params.pp b/manifests/params.pp
index 7f29383..505a71f 100644
--- a/manifests/params.pp
+++ b/manifests/params.pp
@@ -4,7 +4,7 @@
 #
 class nslcd::params
 {
-  case $::osfamily
+  case $facts['os']['family']
   {
     'Debian':
     {
@@ -22,7 +22,7 @@
     }
     default:
     {
-      fail("The ${module_name} module is not supported on an ${::osfamily} based system.")
+      fail("The ${module_name} module is not supported on an $facts['os']['family'] based system.")
     }
   }
-}
\ No newline at end of file
+}