--- a/master/voe_handler.c	Thu Jan 12 12:14:33 2012 +0100
+++ b/master/voe_handler.c	Thu Jan 12 13:55:15 2012 +0100
@@ -191,7 +191,8 @@
     if (voe->config->slave) { // FIXME locking?
         voe->state(voe);
         if (voe->request_state == EC_INT_REQUEST_BUSY)
-            ec_master_queue_datagram(voe->config->master, &voe->datagram);
+            ec_master_queue_datagram(voe->config->master, &voe->datagram,
+                    EC_DEVICE_MAIN);
     } else {
         voe->state = ec_voe_handler_state_error;
         voe->request_state = EC_INT_REQUEST_FAILURE;