lib/PublicInbox/LeiOverview.pm | 2 ++

diff --git a/lib/PublicInbox/LeiOverview.pm b/lib/PublicInbox/LeiOverview.pm
index 88034adadaed4e5d9551199964203d4ae0f5d401..366af8b2768d8c35d281f098a280396285938600 100644
--- a/lib/PublicInbox/LeiOverview.pm
+++ b/lib/PublicInbox/LeiOverview.pm
@@ -216,7 +216,9 @@ 			my ($smsg, undef, $eml) = @_; # no mitem in $_[1]
 			$wcb->(undef, $smsg, $eml);
 		};
 	} elsif ($l2m && $l2m->{-wq_s1}) {
+		my $sock = delete $lei->{sock}; # lei2mail doesn't need it
 		my ($lei_ipc, @io) = $lei->atfork_parent_wq($l2m);
+		$lei->{sock} = $sock if $sock;
 		# $io[0] becomes a notification pipe that triggers EOF
 		# in this wq worker when all outstanding ->write_mail
 		# calls are complete