diff --git a/components/libc/compilers/common/termios.h b/components/libc/compilers/common/termios.h
index ee2b4d5718..414d0c0cb3 100644
--- a/components/libc/compilers/common/termios.h
+++ b/components/libc/compilers/common/termios.h
@@ -9,6 +9,8 @@
 #ifndef _TERMIOS_H__
 #define _TERMIOS_H__
 
+#include <rtconfig.h>
+
 #ifdef RT_USING_POSIX_TERMIOS
 #include <sys/types.h>
 #include <posix_termios.h>