diff --git a/cpu/6502/net/ethernet.c b/cpu/6502/net/ethernet.c
index 023909063..89279c4a9 100644
--- a/cpu/6502/net/ethernet.c
+++ b/cpu/6502/net/ethernet.c
@@ -30,7 +30,7 @@
  *
  * Author: Oliver Schmidt <ol.sc@web.de>
  *
- * @(#)$Id: ethernet.c,v 1.4 2007/12/16 17:02:37 oliverschmidt Exp $
+ * @(#)$Id: ethernet.c,v 1.5 2007/12/21 01:13:44 oliverschmidt Exp $
  */
 
 #include <fcntl.h>
@@ -56,7 +56,7 @@ struct {
 } *module;
 
 /*---------------------------------------------------------------------------*/
-void
+void CC_FASTCALL
 ethernet_init(struct ethernet_config *config)
 {
   static const char signature[4] = {0x65, 0x74, 0x68, 0x01};
diff --git a/cpu/6502/net/ethernet.h b/cpu/6502/net/ethernet.h
index 241e8721f..ed050b379 100644
--- a/cpu/6502/net/ethernet.h
+++ b/cpu/6502/net/ethernet.h
@@ -30,13 +30,13 @@
  * 
  * Author: Oliver Schmidt <ol.sc@web.de>
  *
- * $Id: ethernet.h,v 1.1 2007/11/20 21:10:21 oliverschmidt Exp $
+ * $Id: ethernet.h,v 1.2 2007/12/21 01:13:44 oliverschmidt Exp $
  */
 
 #ifndef __ETHERNET_H__
 #define __ETHERNET_H__
 
-void ethernet_init(struct ethernet_config *config);
+void CC_FASTCALL ethernet_init(struct ethernet_config *config);
 u16_t ethernet_poll(void);
 void ethernet_send(void);
 void ethernet_exit(void);