Manda o id sempre null para o controller

LocalController.java

public Result update(Long id) {
    Form<Local> editForm = localForm.bindFromRequest();
    Local localFromForm = Local.find.byId(id);
    if (editForm.hasErrors() || editForm.get().getId() == null) {
        return badRequest(views.html.localEdit.render(localForm, localFromForm.getMainUser(), id));
    }

    Local local = editForm.get();
    Ebean.refresh(local);
    return redirect(routes.LocalController.localByUser(localFromForm.getMainUser().getId()));
}

LocalForm.scala.html

@form(routes.LocalController.update(id), 'class -> "container center") {
    <div class="row">
        <div class="input-field col s6 center">
            <input type="text" id="name" name="name"
                   value="@localForm.apply("name").value" />
            <label for="name">NOME DO LOCAL</label>
        </div>
        <div class="input-field col s6">
            <input type="text" id="cnpj" name="cnpj"
                   value="@localForm.apply("cnpj").value" />
            <label for="cnpj">CNPJ</label>
        </div>
    </div>
    <div class="row">
        <div class="input-field col s6">
            <button class="btn waves-effect waves-light right" type="submit"
                    name="action">
                Concluir
            </button>
        </div>
    </div>
    }