diff --git a/kal/libc/newlib/porting/include/sys/prctl.h b/kal/libc/newlib/porting/include/sys/prctl.h
index daa345cc..edb1ff1d 100644
--- a/kal/libc/newlib/porting/include/sys/prctl.h
+++ b/kal/libc/newlib/porting/include/sys/prctl.h
@@ -1,6 +1,3 @@
-#ifndef _ADAPT_SYS_PRCTL_H
-#define _ADAPT_SYS_PRCTL_H
-
 /*
  * Copyright (c) 2021-2021 Huawei Device Co., Ltd. All rights reserved.
  *
@@ -31,6 +28,9 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#ifndef _ADAPT_SYS_PRCTL_H
+#define _ADAPT_SYS_PRCTL_H
+
 #ifdef __cplusplus
 extern "C" {
 #endif