my $change =
(defined $interesting_packages{$key} and $pkg->{'state'} eq 'Needs-Build') ||
(not defined $interesting_packages{$key} and $pkg->{'state'} eq 'BD-Uninstallable');
- my $problemchange = $interesting_packages{$key} ne $pkg->{'bd_problem'};
+ my $problemchange = ($interesting_packages{$key}//"") ne ($pkg->{'bd_problem'}//"");
if ($change) {
if (defined $interesting_packages{$key}) {
change_state( \$pkg, 'BD-Uninstallable' );