lib/PublicInbox/LEI.pm | 2 +-

diff --git a/lib/PublicInbox/LEI.pm b/lib/PublicInbox/LEI.pm
index 96f7c5e315a9d4b8b182953cd0a6269db880ca66..78b49a3bc1afca5d837884cf0cf6ac1a24b5fa77 100644
--- a/lib/PublicInbox/LEI.pm
+++ b/lib/PublicInbox/LEI.pm
@@ -1127,7 +1127,7 @@ 	my ($self) = @_;
 	local %ENV = %{$self->{env}};
 	local $current_lei = $self;
 	eval {
-		my @fds = $recv_cmd->($self->{sock}, my $buf, 4096);
+		my @fds = $recv_cmd->($self->{sock} // return, my $buf, 4096);
 		if (scalar(@fds) == 1 && !defined($fds[0])) {
 			return if $! == EAGAIN;
 			die "recvmsg: $!" if $! != ECONNRESET;