diff --git a/cpu/avr/mtarch.c b/cpu/avr/mtarch.c
index d9bcd35ec..d5323c255 100644
--- a/cpu/avr/mtarch.c
+++ b/cpu/avr/mtarch.c
@@ -33,7 +33,6 @@
  * \author Adam Dunkels <adam@sics.se>
  * \author Simon Barner <barner@in.tum.de>
  *
- * @(#)$Id: mtarch.c,v 1.1 2006/12/22 16:55:53 barner Exp $
  */
 
 #include <avr/io.h>
@@ -214,6 +213,12 @@ void
 mtarch_pstart(void)
 {
   
+}
+/*--------------------------------------------------------------------------*/
+void
+mtarch_stop(struct mtarch_thread *t)
+{
+  
 }
 /*--------------------------------------------------------------------------*/
 int