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-rw-r--r--perl-install/install_any.pm2
1 files changed, 1 insertions, 1 deletions
diff --git a/perl-install/install_any.pm b/perl-install/install_any.pm
index 690d5b7bc..211a340e6 100644
--- a/perl-install/install_any.pm
+++ b/perl-install/install_any.pm
@@ -103,7 +103,7 @@ sub look_for_ISO_images() {
my ($F) = @_;
my ($vol_id, $app_id) = c::get_iso_volume_ids(fileno $F);
#- the ISO volume names must end in -Disc\d+
- my ($cd_set) = $vol_id =~ /^(.*)-Disc\d+$/;
+ my ($cd_set) = $vol_id =~ /^(.*)-(?:disc\d*|extra)$/i;
$cd_set && { cd_set => $cd_set, app_id => $app_id };
};