$form->{sort} = $sortorder;
my $sortdir = !defined $form->{sortdir} ? 'ASC' : $form->{sortdir} ? 'ASC' : 'DESC';
- if ($sortorder ne 'id' && 1 >= scalar grep { $form->{$_} } qw(l_ordnumber l_quonumber l_invnumber)) {
+ if ($sortorder !~ /(business|id)/ && 1 >= scalar grep { $form->{$_} } qw(l_ordnumber l_quonumber l_invnumber )) {
$sortorder = "lower($sortorder) ${sortdir}";
} else {
$sortorder .= " ${sortdir}";