He still fell under the non-Aryan definition of the act but there was an exemption clause which exempted non-Aryans who had fought in World War I. Von Mises certainly qualified under this clause and it would have allowed him to keep his chair in Berlin in 1933.
Siya pa rin nahulog sa ilalim ng mga di-Aryan kahulugan ng kumilos ngunit nagkaroon ng isang sugnay iksemsyon na exempted di-Aryans na fought in World War I. von Mises tiyak qualified na sa ilalim ng sugnay na ito at ito ay pinahihintulutan sa kanya upang panatilihin ang kanyang upuan sa Berlin sa 1933.