A method for determining a corrected rotational angle of the rotational position of a rotationally mounted steering shaft (3,4) of a motor vehicle with an angle sensor unit, having - a two-pole magnet which can be connected in a torque-proof manner to one end of the steering shaft (3,4) and which has two poles which are opposite one another with respect to a magnetic axis, wherein the magnetic axis corresponds to a rotational axis of the steering shaft (3,4), - two magnetic-field-direction-dependent magnetic field sensors (16,17) which are assigned to the magnet, and - an evaluation unit which is configured to determine a rotational angle by means of the signals of the two magnetic field sensors (16,17), wherein the two magnetic field sensors (16,17) are arranged with their sensitive sensor faces parallel to the external face of the magnet and at two different distances from the magnet, and the centers of the magnetic field sensors (16,17) are located on the magnetic axis, and the method comprises the following steps: • Measuring a first magnetic field direction by means of the first magnetic field sensor in the form of sine and cosine signals, • Measuring a second magnetic field direction by means of the second magnetic field sensor in the form of sine and cosine signals, • Determining a first magnetic flux density of the magnetic field, originating from the magnet, in the region of the first magnetic field sensor, • Determining a second magnetic flux density of the magnetic field, originating from the magnet, in the region of the second magnetic flux sensor, • Forming a weighted difference between the respectively measured sine and cosine signals (182,183), wherein the weighting is carried out by means of the first and second magnetic flux densities, and • Determining the interference-free rotational angle from the difference signals (182,183) independently of an external magnetic interference field by means of an arctan function, characterized in that the following further steps are provided: • Determining a rotational angle from the signals of the respective sensor (162,163,172,173) by means of an arctan function, • Checking the corrected rotational angle on the basis of the rotational angles determined from the signals of the sensors. - a two-pole magnet which can be connected in a torque-proof manner to one end of the steering shaft (3,4) and which has two poles which are opposite one another with respect to a magnetic axis, wherein the magnetic axis corresponds to a rotational axis of the steering shaft (3,4), - two magnetic-field-direction-dependent magnetic field sensors (16,17) which are assigned to the magnet, and - an evaluation unit which is configured to determine a rotational angle by means of the signals of the two magnetic field sensors (16,17), wherein the two magnetic field sensors (16,17) are arranged with their sensitive sensor faces parallel to the external face of the magnet and at two different distances from the magnet, and the centers of the magnetic field sensors (16,17) are located on the magnetic axis, and the method comprises the following steps: • Measuring a first magnetic field direction by means of the first magnetic field sensor in the form of sine and cosine signals, • Measuring a second magnetic field direction by means of the second magnetic field sensor in the form of sine and cosine signals, • Determining a first magnetic flux density of the magnetic field, originating from the magnet, in the region of the first magnetic field sensor, • Determining a second magnetic flux density of the magnetic field, originating from the magnet, in the region of the second magnetic flux sensor, • Forming a weighted difference between the respectively measured sine and cosine signals (182,183), wherein the weighting is carried out by means of the first and second magnetic flux densities, and • Determining the interference-free rotational angle from the difference signals (182,183) independently of an external magnetic interference field by means of an arctan function, characterized in that the following further steps are provided: • Determining a rotational angle from the signals of the respective sensor (162,163,172,173) by means of an arctan function, • Checking the corrected rotational angle on the basis of the rotational angles determined from the signals of the sensors. • Measuring a first magnetic field direction by means of the first magnetic field sensor in the form of sine and cosine signals, • Measuring a second magnetic field direction by means of the second magnetic field sensor in the form of sine and cosine signals, • Determining a first magnetic flux density of the magnetic field, originating from the magnet, in the region of the first magnetic field sensor, • Determining a second magnetic flux density of the magnetic field, originating from the magnet, in the region of the second magnetic flux sensor, • Forming a weighted difference between the respectively measured sine and cosine signals (182,183), wherein the weighting is carried out by means of the first and second magnetic flux densities, and • Determining the interference-free rotational angle from the difference signals (182,183) independently of an external magnetic interference field by means of an arctan function, characterized in that the following further steps are provided: • Determining a rotational angle from the signals of the respective sensor (162,163,172,173) by means of an arctan function, • Checking the corrected rotational angle on the basis of the rotational angles determined from the signals of the sensors.