-my $from_placed_on = C4::Dates->new($input->param('from')) if $input->param('from');
-my $to_placed_on = C4::Dates->new($input->param( 'to')) if $input->param('to');
+my $from_placed_on = $input->param('from');
+$from_placed_on = C4::Dates->new($from_placed_on) if $from_placed_on;
+my $to_placed_on = $input->param('to');
+$to_placed_on = C4::Dates->new($to_placed_on) if $to_placed_on;