In 1949 he was tried in Hamburg for war crimes and was convicted on nine of seventeen counts, including the poor treatment of prisoners of war and failing to protect civilian lives in his sphere of operations.
Pada tahun 1949, ia diadili di Hamburg karena kejahatan perang dan dinyatakan bersalah atas tujuh belas dakwaan, termasuk perlakuan buruk terhadap tawanan perang dan kegagalan melindungi nyawa penduduk sipil di ruang operasinya.