diff --git a/transport/http/codec.go b/transport/http/codec.go
index b1636ac..e198ee6 100644
--- a/transport/http/codec.go
+++ b/transport/http/codec.go
@@ -78,7 +78,8 @@ func DefaultResponseEncoder(w http.ResponseWriter, r *http.Request, v any) error
 func DefaultErrorEncoder(w http.ResponseWriter, r *http.Request, err error) {
 	fmt.Println("DefaultErrorEncoder")
 	se := errors.FromError(err)
-	codec, _ := CodeForRequest(r, "Accept")
+	codec, ok := CodeForRequest(r, "Accept")
+	fmt.Println(ok)
 	body, err := codec.Marshal(se)
 	if err != nil {
 		w.WriteHeader(http.StatusInternalServerError)