lib/PublicInbox/Mbox.pm | 2 +-

diff --git a/lib/PublicInbox/Mbox.pm b/lib/PublicInbox/Mbox.pm
index 40ca61146b53d12af17cf2ad0fb746f58c92c87e..79348766c2eee950ef0945c27ba3a57aeda1b1a8 100644
--- a/lib/PublicInbox/Mbox.pm
+++ b/lib/PublicInbox/Mbox.pm
@@ -132,7 +132,7 @@ 	my ($class, $ctx, $cb) = @_;
 	my $buf;
 	bless {
 		buf => \$buf,
-		gz => IO::Compress::Gzip->new(\$buf),
+		gz => IO::Compress::Gzip->new(\$buf, Time => 0),
 		cb => $cb,
 		ctx => $ctx,
 		msgs => [],