@@ -, +, @@ --- C4/Matcher.pm | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/C4/Matcher.pm +++ a/C4/Matcher.pm @@ -634,7 +634,7 @@ sub get_matches { next if scalar(@source_keys) == 0; @source_keys = C4::Koha::GetVariationsOfISBNs(@source_keys) - if ( $matchpoint->{index} eq 'isbn' + if ( $matchpoint->{index} =~ /^isbn$/i && C4::Context->preference('AggressiveMatchOnISBN') ); # build query --