diff --git a/patchset.http.go b/patchset.http.go
index 35330aa..8bce433 100644
--- a/patchset.http.go
+++ b/patchset.http.go
@@ -121,6 +121,8 @@ func (p *Patchsets) SendReply(w http.ResponseWriter, reqPB *httppb.HttpRequest)
 	i, err := w.Write(data)
 	if err != nil {
 		reqPB.Errors = append(reqPB.Errors, log.Sprintf("i=%d %v", i, err))
+	} else {
+		reqPB.Errors = append(reqPB.Errors, log.Sprintf("sent %d bytes back to client ok", i))
 	}
 	return err
 }