msg.finished is only finished if socket has been detached

index.js

@@ -64,10 +64,17 @@ function onFinished (msg, listener) {
 
 function isFinished (msg) {
   var socket = msg.socket
+  var stream = msg.stream
+
+  if (stream && typeof stream.closed === 'boolean') {
+    // Http2ServerRequest
+    // Http2ServerResponse
+    return stream.closed
+  }
 
   if (typeof msg.finished === 'boolean') {
     // OutgoingMessage
-    return Boolean(msg.finished || (socket && !socket.writable))
+    return Boolean((!socket && msg.finished && msg.outputSize === 0) || (socket && !socket.writable))
   }
 
   if (typeof msg.complete === 'boolean') {