diff --git a/winsup/cygwin/include/getopt.h b/winsup/cygwin/include/getopt.h
index c5af1acd4..63e068b5c 100644
--- a/winsup/cygwin/include/getopt.h
+++ b/winsup/cygwin/include/getopt.h
@@ -85,4 +85,4 @@ int getopt_long_only (int, char *const *, const char *, const struct option *, i
 
 #endif /* __GETOPT_LONG_H__ */
 #endif /* __UNISTD_GETOPT__ */
-#endif /*_INSIDE_NEWLIB*/
+#endif /*_LIBC */