404 on get returns empty object and right status

view/who.go

@@ -53,8 +53,8 @@ func whoGet(namespace string, g storage.Graph, w http.ResponseWriter, r *http.Re
 		return err
 	}
 	if len(ones) == 0 {
-		http.NotFound(w, r)
-		return nil
+		w.WriteHeader(http.StatusNotFound)
+		return json.NewEncoder(w).Encode(entity.One{})
 	}
 	if len(ones) > 1 {
 		return errors.New("more than one result found matching " + id)