diff --git a/src/file-io.cc b/src/file-io.cc --- a/src/file-io.cc +++ b/src/file-io.cc @@ -2020,7 +2020,7 @@ } else { - const char *fopen_mode = "w+"; + const char *fopen_mode = "w+b"; FILE *fid = fdopen (fd, fopen_mode);