Peace of Mind (German: Reserve hat Ruh) is a 1931 German comedy film directed by Max Obal and starring Fritz Kampers, Lucie Englisch, and Paul Hörbiger. It was shot on location around Berlin. The film's sets were designed by the art director Jacek Rotmil. It is one of a number of farces set during the pre-First World War Germany military which were made in the early 1930s.