International audienceThis article sets out to contribute to the debate on the participatory turn of public action and the administration by studying the profile and work of civil servants dedicated to citizen participation within French local administrations. Counter to the rhetoric advocating the participatory modernisation of the administration, an analysis of the day-to-day work of civil servants in charge of participation makes it possible to grasp the dynamics behind the bureaucratisation of citizen participation. Without actually shaking up administrative routines, the specialist civil servants invent new routines essentially intended to maintain the arrangements set up, even when these have little or no effect on the conduct of publ...