--- smbldap_tools.pl
+++ smbldap_tools.pl
@@ -430,7 +430,7 @@ sub get_user_dn {
     my $user = shift;
     my $dn   = '';
     my $mesg = $ldap->search(
-        base   => $config{suffix},
+        base   => $config{usersdn},
         scope  => $config{scope},
         filter => "(&(objectclass=posixAccount)(uid=$user))"
     );