--- rxvt-unicode/src/perl/matcher	2014/06/15 12:24:43	1.28
+++ rxvt-unicode/src/perl/matcher	2014/06/15 21:06:53	1.29
@@ -257,7 +257,7 @@
    my ($self, $row, $col) = @_;
    my $line = $self->line ($row);
    my $text = $line->t;
-   my $off = $line->offset_of ($row, $col) if $col;
+   my $off = $line->offset_of ($row, $col) if defined $col;
 
    my @matches;
    for my $matcher (@{$self->{matchers}}) {