lib/PublicInbox/LeiQuery.pm | 3 +++

diff --git a/lib/PublicInbox/LeiQuery.pm b/lib/PublicInbox/LeiQuery.pm
index 7ddba4cf27398603855e56df67416aef52d0645d..385ba0a9b4cad38af59a23913b703344eb05339f 100644
--- a/lib/PublicInbox/LeiQuery.pm
+++ b/lib/PublicInbox/LeiQuery.pm
@@ -53,6 +53,9 @@ sub qstr_add { # PublicInbox::InputPipe::consume callback for --stdin
 	my ($self) = @_; # $_[1] = $rbuf
 	if (defined($_[1])) {
 		$_[1] eq '' and return eval {
+			if (my $dfd = $self->{3}) {
+				chdir($dfd) or return $self->fail("fchdir: $!");
+			}
 			$self->{mset_opt}->{q_raw} = $self->{mset_opt}->{qstr};
 			$self->{lse}->query_approxidate($self->{lse}->git,
 						$self->{mset_opt}->{qstr});