minor fix

diff --git a/value_builder/unimarc_field_700_701_702.pl b/value_builder/unimarc_field_700_701_702.pl
index 685d038..d0009ce 100644 (file)
--- a/value_builder/unimarc_field_700_701_702.pl
+++ b/value_builder/unimarc_field_700_701_702.pl
@@ -147,7 +147,7 @@ sub plugin {
        $template->param(index => $index,
                                                        result =>$result,
                                                        select_list => $select_list,
-                                                       search_string => $search_string,
+                                                       search_string => $search_string?$search_string:$result,
                                                        a => $a,
                                                        b => $b,
                                                        c => $c,