A consensus has formed over the last 30 years that Diagoras was not really an atheist and that the famous Apopurgizontes Logoi were falsely attributed to him at a later stage. This note argues that the evidence is consistent with the view that Diagoras was indeed an atheist and did indeed compose the Apopurgizontes. Further hints in other sources allow us to reconstruct, albeit speculatively, aspects of Diagoras’ thought and self-presentation.