lib/PublicInbox/Mbox.pm | 2 +-

diff --git a/lib/PublicInbox/Mbox.pm b/lib/PublicInbox/Mbox.pm
index ffa6fa47841846b43a332f3454f7eee9abca50a5..b81ec0a40e785dff75796fd573dd2e1a699e94c8 100644
--- a/lib/PublicInbox/Mbox.pm
+++ b/lib/PublicInbox/Mbox.pm
@@ -97,7 +97,7 @@
 	require PublicInbox::Git;
 	my $mid = $ctx->{mid};
 	my $git = $ctx->{git} ||= PublicInbox::Git->new($ctx->{git_dir});
-	my %opts = (offset => 0);
+	my %opts = (offset => 0, asc => 1);
 	my $nr;
 	do {
 		my $res = $srch->get_thread($mid, \%opts);