Abstract: The invention relates to a hair clipping machine with a device for adjusting the length of a cut, with the adjusting device acting upon the clipping assembly. The clipping assembly includes at least a fixed clipping comb and a clipping blade which can be driven in an oscillatory motion essentially parallel to the front edge of the clipping comb. The adjusting device includes of at least an actuating element which is connected to the clipping blade via coupling elements for displacing the clipping blade lengthwise. The adjusting device is an integral part of the clipping assembly and may therefore be configured independently of the housing. As a result, construction is simplified and it is also possible to retrofit clipping machines which do not have such adjustment devices.