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-rw-r--r--lib/PublicInbox/NNTP.pm2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/PublicInbox/NNTP.pm b/lib/PublicInbox/NNTP.pm
index 90a5a3a5..623ffd35 100644
--- a/lib/PublicInbox/NNTP.pm
+++ b/lib/PublicInbox/NNTP.pm
@@ -902,7 +902,7 @@ sub more ($$) {
 sub do_write ($$) {
         my ($self, $data) = @_;
         my $done = $self->write($data);
-        return if $self->{closed};
+        return 0 if $self->{closed};
 
         # Do not watch for readability if we have data in the queue,
         # instead re-enable watching for readability when we can