diff --git a/platform/z1/contiki-conf.h b/platform/z1/contiki-conf.h
index 5044c1927..c09b44635 100644
--- a/platform/z1/contiki-conf.h
+++ b/platform/z1/contiki-conf.h
@@ -49,7 +49,7 @@
 #define NETSTACK_CONF_FRAMER  framer_802154
 
 #define CC2420_CONF_AUTOACK              1
-#define MAC_CONF_CHANNEL_CHECK_RATE      8
+#define NETSTACK_RDC_CHANNEL_CHECK_RATE  8
 #define RIME_CONF_NO_POLITE_ANNOUCEMENTS 0
 #define CXMAC_CONF_ANNOUNCEMENTS         0
 #define XMAC_CONF_ANNOUNCEMENTS          0