See http://mx.gw.com/pipermail/file/2014/001653.html and http://mx.gw.com/pipermail/file/2014/001654.html for reports. They're fixed in https://github.com/file/file/commit/ce90e05774dd77d86cfc8dfa6da57b32816841c4 and https://github.com/file/file/commit/65437cee25199dbd385fb35901bc0011e164276c