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-rw-r--r--lib/PublicInbox/HTTPD/Async.pm2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/PublicInbox/HTTPD/Async.pm b/lib/PublicInbox/HTTPD/Async.pm
index dbe8a84a..60701085 100644
--- a/lib/PublicInbox/HTTPD/Async.pm
+++ b/lib/PublicInbox/HTTPD/Async.pm
@@ -46,7 +46,7 @@ sub main_cb ($$$) {
                 if ($r) {
                         $fh->write($$bref);
                         unless ($http->{closed}) { # PublicInbox::DS sets this
-                                if ($http->{write_buf_size}) {
+                                if (scalar @{$http->{wbuf}}) {
                                         $self->watch_read(0);
                                         $http->write(restart_read_cb($self));
                                 }