diff --git a/manifests/object/notification.pp b/manifests/object/notification.pp
index 8a52f5478..4026f2a82 100644
--- a/manifests/object/notification.pp
+++ b/manifests/object/notification.pp
@@ -116,8 +116,8 @@
 
   validate_string($host_name)
   if $service_name { validate_string($service_name) }
-  if $users { $_users = any2array($users) } else { $_users = undef }
-  if $user_groups { $_user_groups = any2array($user_groups) } else { $_user_groups = undef }
+  if $users { $_users = $users } else { $_users = undef }
+  if $user_groups { $_user_groups = $user_groups } else { $_user_groups = undef }
   if $times { validate_hash($times) }
   if $command { validate_string($command) }
   if $interval { validate_integer($interval) }