This paper uses new administrative data from the Federal Employment Agency the Integrated Employment Biographies Sample IEBS to asses the impact of a mandatory employment quota for disabled workers in Germany. We use an exogenous change, introduced through a legislative change in the Gesetz zur Bekämpfung der Arbeitslosigkeit Schwerbehinderter, as a natural experiment and measure the change in the reemployment probability of the unemployed disabled by regression-adjusted difference-in-difference-estimators. Our results indicate that the change in the employment quota did not influence the employment prospects of the disabled.