1 files changed, 2 insertions, 1 deletions
diff --git a/perl-install/standalone/harddrake2 b/perl-install/standalone/harddrake2
index 2727b5fb4..c826509de 100755
--- a/perl-install/standalone/harddrake2
+++ b/perl-install/standalone/harddrake2
@@ -260,7 +260,8 @@ foreach (@harddrake::data::tree) {
         if ($Ident eq "AUDIO") {
             require harddrake::sound;
             my $alter = harddrake::sound::get_alternative($_->{driver});
-            $_->{alternative_drivers} = join(':', @$alter) if $alter->[0] ne 'unknown';
+            my $alternative_drivers = join(':', @$alter) if $alter->[0] ne 'unknown';
+            $_->{alternative_drivers} = $alternative_drivers if $alternative_drivers;
         }
         rename_field($_, 'usb_description', 'description');
         rename_field($_, 'vendor_name', 'Vendor');