diff --git a/platform/cooja/contiki-conf.h b/platform/cooja/contiki-conf.h
index f4972d28f..91c93a3b4 100644
--- a/platform/cooja/contiki-conf.h
+++ b/platform/cooja/contiki-conf.h
@@ -136,6 +136,9 @@
 #ifndef UIP_CONF_MAX_ROUTES
 #define UIP_CONF_MAX_ROUTES   300
 #endif /* UIP_CONF_MAX_ROUTES */
+#ifndef RPL_NS_CONF_LINK_NUM
+#define RPL_NS_CONF_LINK_NUM 300
+#endif /* RPL_NS_CONF_LINK_NUM */
 
 #define TCPIP_CONF_ANNOTATE_TRANSMISSIONS 1