A seat for a stair lift, which seat is provided with a fall protection device comprising at least one elongate safety bar which is movable between an open position and a closed position, in which open position a person can freely move into and out of the seat, wherein the safety bar is movably connected to an elongate support that is stationarily connected to the seat, which support extends on a side of the seat, wherein the fall protection device is designed so that in the open position the safety bar takes up a rearward position, in which it extends substantially parallel to and beside the support, and that in the closed position the safety bar takes up a forwardly moved (along the support), inwardly pivoted or rotated position, in which it extends from the front end of the support, in which position it can be locked, such that a person cannot fall out of the seat.
