# This should be generalized to use config options to determine order.
sub sort_packages {
- my $locationsort = $a->locationnum <=> $b->locationnum;
+ my $locationsort = ( $a->locationnum || 0 ) <=> ( $b->locationnum || 0 );
return $locationsort if $locationsort;
if ( $a->get('cancel') xor $b->get('cancel') ) {