if ( C4::Context->preference("z3950NormalizeAuthor")
and C4::Context->preference("z3950AuthorAuthFields") )
{
- my ( $tag, $subfield ) = GetMarcFromKohaField("biblio.author");
+ my ( $tag, $subfield ) = GetMarcFromKohaField("biblio.author", '');
# my $summary = C4::Context->preference("z3950authortemplate");
my $auth_fields =