diff --git a/transport/http/codec.go b/transport/http/codec.go
index e7ec968..16d3bcc 100644
--- a/transport/http/codec.go
+++ b/transport/http/codec.go
@@ -80,6 +80,7 @@ func DefaultErrorEncoder(w http.ResponseWriter, r *http.Request, err error) {
 	se := errors.FromError(err)
 	codec, _ := CodeForRequest(r, "Accept")
 	codec = encoding.GetCodec("xml")
+	fmt.Println(codec.Name())
 	body, err := codec.Marshal(se)
 	if err != nil {
 		w.WriteHeader(http.StatusInternalServerError)