diff --git a/tools/fiptool/win_posix.h b/tools/fiptool/win_posix.h
index 836ffed..6f0d8e6 100644
--- a/tools/fiptool/win_posix.h
+++ b/tools/fiptool/win_posix.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2017-2018, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2020, Arm Limited and Contributors. All rights reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -9,13 +9,15 @@
 
 #define _CRT_SECURE_NO_WARNINGS
 
-#include <direct.h>
-#include <io.h>
+#include <stdbool.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>
 #include <sys/stat.h>
 
+#include <direct.h>
+#include <io.h>
+
 #include "uuid.h"
 
 /* Derive or provide Windows equivalents of Posix/GCC/Unix stuff. */