diff --git a/platform/micaz/contiki-conf.h b/platform/micaz/contiki-conf.h
index 6c66a9679..74c2b4b4d 100644
--- a/platform/micaz/contiki-conf.h
+++ b/platform/micaz/contiki-conf.h
@@ -79,6 +79,7 @@
 
 #define TIMESYNCH_CONF_ENABLED 1
 #define CC2420_CONF_TIMESTAMPS 1
+#define CC2420_CONF_SYMBOL_LOOP_COUNT 500
 
 #define WITH_NULLMAC 0