1 files changed, 1 insertions, 1 deletions

diff --git a/lib/getopt.c b/lib/getopt.c
index 55375ccd40f..11e36eef815 100644
--- a/lib/getopt.c
+++ b/lib/getopt.c
@@ -46,7 +46,7 @@
 /* When used standalone, flockfile and funlockfile might not be
    available.  */
 # if (!defined _POSIX_THREAD_SAFE_FUNCTIONS \
-      || ((defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__))
+      || (defined _WIN32 && ! defined __CYGWIN__))
 #  define flockfile(fp) /* nop */
 #  define funlockfile(fp) /* nop */
 # endif