Attainment of enlightenment without desire

The Noble Truths make us aware that the cause of suffering is desire. Isn't it a desire to become enlightened and attain Nirvana; thus, causes suffering? If you drop the desire, will it be possible to attain Nirvana, or for that matter, do anything at all? > "And this, monks, is the noble truth of the origination of stress: the craving that makes for further becoming — accompanied by passion & delight, relishing now here & now there — i.e., craving for sensual pleasure, craving for becoming, craving for non-becoming." -The Buddha (Dhammacakkappavattana Sutta)