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-rw-r--r--lib/PublicInbox/LeiXSearch.pm4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/PublicInbox/LeiXSearch.pm b/lib/PublicInbox/LeiXSearch.pm
index fa37543f..a6d827de 100644
--- a/lib/PublicInbox/LeiXSearch.pm
+++ b/lib/PublicInbox/LeiXSearch.pm
@@ -273,9 +273,9 @@ sub do_query {
                 pipe(my ($startq, $au_done)) or die "pipe: $!";
                 $done_op->{'.'} = [ \&do_post_augment, $lei_orig,
                                         $zpipe, $au_done ];
-                $io[4] = *STDERR{GLOB}; # don't send l2m->{-wq_s1}
-                $self->wq_do('query_prepare', \@io, $lei);
+                local $io[4] = *STDERR{GLOB}; # don't send l2m->{-wq_s1}
                 die "BUG: unexpected \$io[5]: $io[5]" if $io[5];
+                $self->wq_do('query_prepare', \@io, $lei);
                 fcntl($startq, 1031, 4096) if $^O eq 'linux'; # F_SETPIPE_SZ
                 $io[5] = $startq;
                 $io[1] = $zpipe->[1] if $zpipe;