if ($self->timeout_ms) {
            unless ($WWW::Curl::Easy::CURLOPT_TIMEOUT_MS) {
                croak( "Your trying to use timeout_ms, but your libcurl is apperantly older than 7.16.12.");
            }
            $curl->setopt($WWW::Curl::Easy::CURLOPT_TIMEOUT_MS, $self->timeout_ms) if $self->timeout_ms;
            $curl->setopt($WWW::Curl::Easy::CURLOPT_CONNECTTIMEOUT_MS, $self->connection_timeout_ms) if $self->connection_timeout_ms;
        } else {
            $curl->setopt(CURLOPT_TIMEOUT, $self->timeout) if $self->timeout;
            $curl->setopt(CURLOPT_CONNECTTIMEOUT, $self->connection_timeout) if $self->connection_timeout;
        }