@@ -1082,7 +1082,7 @@ func makeHttpHandler(srv *Server, logging bool, localMethod string, localRoute s

 		}

 		if version == 0 || version > APIVERSION {

-			w.WriteHeader(http.StatusNotFound)

+			http.Error(w, fmt.Errorf("client and server don't have same version (client : %g, server: %g)", version, APIVERSION).Error(), http.StatusNotFound)

 			return

 		}