The toothed rack steering gear has an adjusting nut and a housing. An opening with internal thread of the housing is adapted to the adjusting nut and receives the adjusting nut in the assembled state. In the housing at least one recess is provided in direct proximity of the opening. A retainer is provided; it has a ring shaped body and at least one finger. The finger protrudes from this ring shaped body and can engage into the recess. The retainer has a back surface and the adjusting nut has a front surface. In the assembled state both are in contact. A connecting device is provided and secures the connection between the back surface and the front surface.