The invention relates to an arrangement for controlling a rock drilling machine during an extraction of a drill string from a drilled bore, the rock drilling machine being movably arranged on a feeder, the arrangement comprising an actuator arranged to move the rock drilling machine in a direction opposed to a drilling direction along the feeder, a rotation motor arranged to rotate the drill string, and an actuator controller arranged to control the actuator during the extraction of the drill string from a drilled bore, the actuator controller being arranged to control the actuator according to a first or a second mode in dependence of an operational parameter, such as a torque generated by the rotation motor to rotate the drill string.