--- a/master/mailbox.h	Thu Sep 28 08:31:33 2006 +0000
+++ b/master/mailbox.h	Fri Oct 13 10:07:10 2006 +0000
@@ -51,7 +51,7 @@
 int      ec_slave_mbox_check(const ec_datagram_t *);
 int      ec_slave_mbox_prepare_fetch(const ec_slave_t *, ec_datagram_t *);
 uint8_t *ec_slave_mbox_fetch(const ec_slave_t *, ec_datagram_t *,
-                             uint8_t, size_t *);
+                             uint8_t *, size_t *);
 
 /*****************************************************************************/