correctly return tags for inventory

diff --git a/lib/Biblio/RFID/Reader/librfid.pm b/lib/Biblio/RFID/Reader/librfid.pm
index d665d03..9fa3387 100644 (file)
--- a/lib/Biblio/RFID/Reader/librfid.pm
+++ b/lib/Biblio/RFID/Reader/librfid.pm
@@ -76,7 +76,7 @@ sub inventory {
        _grep_tool 'librfid-tool', '--scan' => sub {
                my ( $sid, $iso ) = @_;
                if ( $sid ) {
-                       push @tags, $sid unless defined $sid_iso->{$sid};
+                       push @tags, $sid;
                        $sid_iso->{$sid} = $iso;
                }
        };