1 files changed, 1 insertions, 1 deletions

diff --git a/win32/mingw.c b/win32/mingw.c
index 03d4fbad4..824413586 100644
--- a/win32/mingw.c
+++ b/win32/mingw.c
@@ -155,7 +155,7 @@ int mingw_open (const char *filename, int oflags, ...)
         if (filename && !strcmp(filename, "/dev/null"))
                 filename = "nul";
         fd = open(filename, oflags, mode);
-        if (fd < 0 && (oflags & O_CREAT) && errno == EACCES) {
+        if (fd < 0 && (oflags & O_ACCMODE) != O_RDONLY && errno == EACCES) {
                 DWORD attrs = GetFileAttributes(filename);
                 if (attrs != INVALID_FILE_ATTRIBUTES && (attrs & FILE_ATTRIBUTE_DIRECTORY))
                         errno = EISDIR;