diff -r 939f3e9bba1e -r 6bb33c6ec770 master/fsm_pdo_mapping.c
--- a/master/fsm_pdo_mapping.c	Fri May 30 08:56:47 2008 +0000
+++ b/master/fsm_pdo_mapping.c	Fri May 30 09:39:29 2008 +0000
@@ -309,7 +309,7 @@
     if (ec_fsm_coe_exec(fsm->fsm_coe)) return;
 
     if (!ec_fsm_coe_success(fsm->fsm_coe)) {
-        EC_ERR("Failed to add entry 0x%04X:%u for slave %u.\n",
+        EC_ERR("Failed to add entry 0x%04X:%02X for slave %u.\n",
                 fsm->entry->index, fsm->entry->subindex,
                 fsm->slave->ring_position);
         fsm->state = ec_fsm_pdo_mapping_state_error;