diff --git a/platform/redbee-econotag/contiki-mc1322x-main.c b/platform/redbee-econotag/contiki-mc1322x-main.c
index e49282d65..09c6630b5 100644
--- a/platform/redbee-econotag/contiki-mc1322x-main.c
+++ b/platform/redbee-econotag/contiki-mc1322x-main.c
@@ -436,7 +436,7 @@ main(void)
   PRINTF("setting short mac 0x%04x\n\r", *MACA_MAC16ADDR);
   PRINTF("setting long mac 0x%08x_%08x\n\r", *MACA_MAC64HI, *MACA_MAC64LO);
 
-#if NULLRDC_CONF_802154_AUTOACK_HW
+#if MACA_AUTOACK
   set_prm_mode(AUTOACK);
 #endif