Bug 8692: Authorities search form does not correspond to current search query

[koha.git] / authorities / detail.pl

diff --git a/authorities/detail.pl b/authorities/detail.pl
index 458746c..4c96434 100755 (executable)
--- a/authorities/detail.pl
+++ b/authorities/detail.pl
@@ -106,7 +106,7 @@ sub build_tabs {
                       my @subf=$field->subfields;
                   # loop through each subfield
                       for my $i (0..$#subf) {
-                        $subf[$i][0] = "@" unless $subf[$i][0];
+                        $subf[$i][0] = "@" unless defined $subf[$i][0];
                         next
                         if (
                             $tagslib->{ $field->tag() }->{ $subf[$i][0] }->{tab}