lib/PublicInbox/HTTP.pm | 5 ++++-

diff --git a/lib/PublicInbox/HTTP.pm b/lib/PublicInbox/HTTP.pm
index 1346901ad52300fd4b9985c18ba912502ce0f649..a6ec1d0d7388540e2ace1a90ae16751f641297aa 100644
--- a/lib/PublicInbox/HTTP.pm
+++ b/lib/PublicInbox/HTTP.pm
@@ -174,7 +174,10 @@ 		} else {
 			response_write($self, $env, $res);
 		}
 	};
-	$self->close if $@;
+	if ($@) {
+		err($self, "response_write error: $@");
+		$self->close;
+	}
 }
 
 sub response_header_write {