harddrake: allow to set zero values in module options (#26515)

1 files changed, 1 insertions, 1 deletions

diff --git a/perl-install/modules/interactive.pm b/perl-install/modules/interactive.pm
index df462e0f9..ca2a90f42 100644
--- a/perl-install/modules/interactive.pm
+++ b/perl-install/modules/interactive.pm
@@ -20,7 +20,7 @@ sub config_window {
         return;
     }
     if ($in->ask_from(N("Module configuration"), N("You can configure each parameter of the module here."), \@l)) {
-	   my $options = join(' ', map { if_($conf{$_}, "$_=$conf{$_}") } keys %conf);
+	   my $options = join(' ', map { if_(defined $conf{$_}, "$_=$conf{$_}") } keys %conf);
 	   if ($options) {
 	       $modules_conf->set_options($data->{driver}, $options);
 	       $modules_conf->write;