diff --git a/radio/src/CoOS/kernel/CoOS.h b/radio/src/CoOS/kernel/CoOS.h
index be687b2e7..33b2ea53f 100644
--- a/radio/src/CoOS/kernel/CoOS.h
+++ b/radio/src/CoOS/kernel/CoOS.h
@@ -39,7 +39,7 @@
 
 #ifndef _CCRTOS_H
 #define _CCRTOS_H
-#include "OsConfig.h"
+#include "../OsConfig.h"
 /*---------------------------- Type Define  ----------------------------------*/
 typedef signed   char      S8;              
 typedef unsigned char      U8;