A method for changing over transmission stages (46, 48) of a transmission arrangement, the transmission arrangement comprising: a first hydraulic machine coupled to a drive machine, a second hydraulic machine having an adjustable expulsion volume, wherein the second hydraulic machine is fluidically connected to the first hydraulic machine via a first working line of the transmission arrangement and a second working line of the transmission arrangement, wherein the second hydraulic machine is coupled to a manual transmission of the transmission arrangement so that a torque of the second hydraulic machine can be transmitted to the manual transmission, the manual transmission having at least two transmission stages (46, 48), the method comprising the following steps: a) requesting a changeover of an engaged transmission stage (46, 48) from a first transmission stage (46, 48) to a second transmission stage (46, 48); b) setting a setpoint value signal of the expulsion volume of the second hydraulic machine to zero; c) disengaging the first transmission stage (46, 48), wherein before starting with said disengaging the first transmission stage (46, 48) the expulsion volume of the second hydraulic machine is already zero; d) regulating the second hydraulic machine so that expulsion volume of the second hydraulic machine reaches a value greater than zero, so as to bring a drag torque of the second hydraulic machine within a predetermined range; e) engaging the second transmission stage (46, 48); said steps a) to e) being executed sequentially. a first hydraulic machine coupled to a drive machine, a second hydraulic machine having an adjustable expulsion volume, wherein the second hydraulic machine is fluidically connected to the first hydraulic machine via a first working line of the transmission arrangement and a second working line of the transmission arrangement, wherein the second hydraulic machine is coupled to a manual transmission of the transmission arrangement so that a torque of the second hydraulic machine can be transmitted to the manual transmission, the manual transmission having at least two transmission stages (46, 48), the method comprising the following steps: a) requesting a changeover of an engaged transmission stage (46, 48) from a first transmission stage (46, 48) to a second transmission stage (46, 48); b) setting a setpoint value signal of the expulsion volume of the second hydraulic machine to zero; c) disengaging the first transmission stage (46, 48), wherein before starting with said disengaging the first transmission stage (46, 48) the expulsion volume of the second hydraulic machine is already zero; d) regulating the second hydraulic machine so that expulsion volume of the second hydraulic machine reaches a value greater than zero, so as to bring a drag torque of the second hydraulic machine within a predetermined range; e) engaging the second transmission stage (46, 48); a) requesting a changeover of an engaged transmission stage (46, 48) from a first transmission stage (46, 48) to a second transmission stage (46, 48); b) setting a setpoint value signal of the expulsion volume of the second hydraulic machine to zero; c) disengaging the first transmission stage (46, 48), wherein before starting with said disengaging the first transmission stage (46, 48) the expulsion volume of the second hydraulic machine is already zero; d) regulating the second hydraulic machine so that expulsion volume of the second hydraulic machine reaches a value greater than zero, so as to bring a drag torque of the second hydraulic machine within a predetermined range; e) engaging the second transmission stage (46, 48); said steps a) to e) being executed sequentially.