It has become increasingly common to interpret Hume as a ‘sceptic’ of practical reason. This means that Hume supposedly contests, not only the ability of reason to provide demonstrable truths, in the conventional rationalist sense, but also reason’s ability to guide our practical action. Proponents of this reading include Jean Hampton, Elijah Millgram and Christine Korsgaard. If this ‘sceptical reading’ of Hume is correct, he would lack the philosophical resources to justify his account of political justice. However, if examined further, this sceptical reading begins with deep-seated Kantian presuppositions about the role and function of practical reason. The paper critiques these presuppositions, arguing that they must be set aside in orde...