diff --git a/lib/system/freertos/sys.h b/lib/system/freertos/sys.h
index 6e6d0be6..680e858c 100644
--- a/lib/system/freertos/sys.h
+++ b/lib/system/freertos/sys.h
@@ -1,5 +1,6 @@
 /*
  * Copyright (c) 2016, Xilinx Inc. and Contributors. All rights reserved.
+ * Copyright (c) 2022-2023 Advanced Micro Devices, Inc. All Rights Reserved.
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -16,6 +17,8 @@
 #ifndef __METAL_FREERTOS_SYS__H__
 #define __METAL_FREERTOS_SYS__H__
 
+#include <metal/errno.h>
+
 #include "./@PROJECT_MACHINE@/sys.h"
 
 #ifdef __cplusplus