diff --git a/platform/mbxxx/contiki-conf.h b/platform/mbxxx/contiki-conf.h
index d6fc2b823..56fe8f1bf 100644
--- a/platform/mbxxx/contiki-conf.h
+++ b/platform/mbxxx/contiki-conf.h
@@ -87,7 +87,7 @@
 //#define NETSTACK_CONF_MAC					csma_driver
 //#define NETSTACK_CONF_RDC					contikimac_driver
 #define NETSTACK_CONF_MAC					nullmac_driver
-#define NETSTACK_CONF_RDC					sicslowmac_driver
+#define NETSTACK_CONF_RDC					nullrdc_driver
 #define NETSTACK_CONF_FRAMER					framer_802154
 #define NETSTACK_CONF_RADIO					stm32w_radio_driver