diff --git a/include/rtdebug.h b/include/rtdebug.h
index 2d93e88b94..8fd07b5b76 100644
--- a/include/rtdebug.h
+++ b/include/rtdebug.h
@@ -21,6 +21,8 @@
 #ifndef __RTDEBUG_H__
 #define __RTDEBUG_H__
 
+#include <rtconfig.h>
+
 /* Using this macro to control all kernel debug features. */
 #ifdef RT_DEBUG
 
diff --git a/include/rtdef.h b/include/rtdef.h
index 7cd35c7f8c..3c91ae7d8d 100644
--- a/include/rtdef.h
+++ b/include/rtdef.h
@@ -34,6 +34,8 @@
 #ifndef __RT_DEF_H__
 #define __RT_DEF_H__
 
+#include <rtconfig.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif