diff --git a/gitweb/gitweb.perl b/gitweb/gitweb.perl
index abb5a79..a174c9d 100755
--- a/gitweb/gitweb.perl
+++ b/gitweb/gitweb.perl
@@ -5568,7 +5568,7 @@
 
 sub git_heads_body {
 	# uses global variable $project
-	my ($headlist, $head, $from, $to, $extra) = @_;
+	my ($headlist, $head_at, $from, $to, $extra) = @_;
 	$from = 0 unless defined $from;
 	$to = $#{$headlist} if (!defined $to || $#{$headlist} < $to);
 
@@ -5577,7 +5577,7 @@
 	for (my $i = $from; $i <= $to; $i++) {
 		my $entry = $headlist->[$i];
 		my %ref = %$entry;
-		my $curr = $ref{'id'} eq $head;
+		my $curr = defined $head_at && $ref{'id'} eq $head_at;
 		if ($alternate) {
 			print "<tr class=\"dark\">\n";
 		} else {