Rehabilitation programmes are widely offered to offenders in custodial and community settings around the world. Despite the existence of a large evidence base that identifies features of effective practice, levels of programme integrity remain low and are widely believed to undermine successful rehabilitation. In this paper it is suggested that conceptualising rehabilitation as a moral activity which involves assisting offenders to make better ethical decisions is one way to address some of the difficulties in the delivery of rehabilitation programmes that (...) potentially lead to low levels of integrity, thereby increasing effectiveness. (shrink)