diff --git a/index.js b/index.js
index a6724cf..5810ce0 100644
--- a/index.js
+++ b/index.js
@@ -65,9 +65,15 @@ function onFinished (msg, listener) {
 function isFinished (msg) {
   var socket = msg.socket
 
+  if (msg.stream) {
+    // Http2ServerRequest
+    // Http2ServerResponse
+    return msg.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') {