diff --git a/master/fsm_master.c b/master/fsm_master.c
index ea77e7be..cc864686 100644
--- a/master/fsm_master.c
+++ b/master/fsm_master.c
@@ -229,6 +229,7 @@ void ec_fsm_master_state_broadcast(
             ec_master_clear_eoe_handlers(master);
 #endif
             ec_master_destroy_slaves(master);
+            master->configs_attached = 0;
 
             master->slave_count = datagram->working_counter;