def sanitize_http_response_cookies(client, event):
    """
    Sanitizes the set-cookie header of the response
    :param client: an ElasticAPM client
    :param event: a transaction or error event
    :return: The modified event
    """
    try:
        cookie_string = event["context"]["response"]["headers"]["set-cookie"]
        event["context"]["response"]["headers"]["set-cookie"] = _sanitize_string(cookie_string, ";", "=")
    except (KeyError, TypeError):
        pass
    return event