diff --git a/platform/msb430/dev/rs232.h b/platform/msb430/dev/rs232.h
index 00cad35fd..318224be2 100644
--- a/platform/msb430/dev/rs232.h
+++ b/platform/msb430/dev/rs232.h
@@ -28,7 +28,7 @@
  *
  * This file is part of the Contiki operating system.
  *
- * @(#)$Id: rs232.h,v 1.4 2008/10/28 12:42:53 nvt-se Exp $
+ * @(#)$Id: rs232.h,v 1.5 2009/03/12 12:23:22 nvt-se Exp $
  */
 
 /** \addtogroup esb
@@ -49,6 +49,8 @@
 #ifndef __RS232_H__
 #define __RS232_H__
 
+#include "dev/msb430-uart1.h"
+
 enum rs232_speed {
 	RS232_9600  =	0,
 	RS232_19200 =	1,