diff --git a/platform/esb/contiki-conf.h b/platform/esb/contiki-conf.h
index bc980b78c..969adf5b0 100644
--- a/platform/esb/contiki-conf.h
+++ b/platform/esb/contiki-conf.h
@@ -13,7 +13,7 @@
 #define QUEUEBUF_CONF_REF_NUM 1
 #define ROUTE_CONF_ENTRIES 4
 
-#define SERIAL_CONF_BUFSIZE 60
+#define SERIAL_LINE_CONF_BUFSIZE 64
 
 #define TIMESYNCH_CONF_ENABLED 0
 #define PROFILE_CONF_ON 0