An apparatus for trimming brochures has a pair of front cutting blades and a transport apparatus for guiding the brochures to the pair of front cutting blades. For an operator-friendly changeover of the apparatus which is associated with little expenditure, in the event of a change of the distance between the front edges of the brochures and their respective setpoint cutting line, the transport apparatus can be locked at adjustable distances from the pair of front cutting blades.