diff -r 1ae0491b2f6b -r ff2a13a4603c master/fsm_master.h
--- a/master/fsm_master.h	Mon Mar 14 16:08:25 2011 +0100
+++ b/master/fsm_master.h	Mon Mar 14 16:55:09 2011 +0100
@@ -39,6 +39,7 @@
 
 #include "globals.h"
 #include "datagram.h"
+#include "mailbox.h"
 #include "foe_request.h"
 #include "sdo_request.h"
 #include "soe_request.h"
@@ -127,6 +128,7 @@
 struct ec_fsm_master {
     ec_master_t *master; /**< master the FSM runs on */
     ec_datagram_t *datagram; /**< datagram used in the state machine */
+    ec_mailbox_t* mbox; /**< mailbox used in the CoE state machine */
     unsigned int retries; /**< retries on datagram timeout. */
 
     void (*state)(ec_fsm_master_t *); /**< master state function */