lib/PublicInbox/LEI.pm      | 1 -
 lib/PublicInbox/Listener.pm | 2 +-

diff --git a/lib/PublicInbox/LEI.pm b/lib/PublicInbox/LEI.pm
index 0e6e92660c9b8c5112b954e0d033f4776149b8d7..d9fd40fd90e8244399e89a252f7f55a943cc2ea5 100644
--- a/lib/PublicInbox/LEI.pm
+++ b/lib/PublicInbox/LEI.pm
@@ -1205,7 +1205,6 @@ 		die "connect($path): $!";
 	}
 	umask(077) // die("umask(077): $!");
 	bind($listener, $addr) or die "bind($path): $!";
-	listen($listener, 1024) or die "listen: $!";
 	$lk->lock_release;
 	undef $lk;
 	my @st = stat($path) or die "stat($path): $!";
diff --git a/lib/PublicInbox/Listener.pm b/lib/PublicInbox/Listener.pm
index c831581076a0d582dfcd44ba0ca8c65b010dd797..64bba5b0fd7c491e7e1d5641116c83581c3e85e4 100644
--- a/lib/PublicInbox/Listener.pm
+++ b/lib/PublicInbox/Listener.pm
@@ -20,7 +20,7 @@ sub new ($$$) {
 	my ($class, $s, $cb) = @_;
 	setsockopt($s, SOL_SOCKET, SO_KEEPALIVE, 1);
 	setsockopt($s, IPPROTO_TCP, TCP_NODELAY, 1); # ignore errors on non-TCP
-	listen($s, 1024);
+	listen($s, 2**31 - 1); # kernel will clamp
 	my $self = bless { post_accept => $cb }, $class;
 	$self->SUPER::new($s, EPOLLIN|EPOLLET|EPOLLEXCLUSIVE);
 }