Fix another assumed fact.
diff --git a/manifests/client.pp b/manifests/client.pp
index 44f7ca1..37b25c2 100644
--- a/manifests/client.pp
+++ b/manifests/client.pp
@@ -361,7 +361,7 @@
       $sudo_commands_noexec = $sudo_command_noexec
     }
 
-    if ! empty($sudo_commands) {
+    if $facts['sudo_commands'] != undef {
       file { '/etc/sudoers.d/backuppc':
         ensure  => $ensure,
         owner   => 'root',