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-rw-r--r--libguile/filesys.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/libguile/filesys.c b/libguile/filesys.c
index 94d824e85..2c4168eea 100644
--- a/libguile/filesys.c
+++ b/libguile/filesys.c
@@ -1095,7 +1095,7 @@ SCM_DEFINE (scm_copy_file, "copy-file", 2, 0, 0,
c_newfile = scm_to_locale_string (newfile);
scm_dynwind_free (c_newfile);
- oldfd = open_or_open64 (c_oldfile, O_RDONLY);
+ oldfd = open_or_open64 (c_oldfile, O_RDONLY | O_BINARY);
if (oldfd == -1)
SCM_SYSERROR;