diff --git a/examples/udp-stream/project-conf.h b/examples/udp-stream/project-conf.h
index d90849f8c..7e7034686 100644
--- a/examples/udp-stream/project-conf.h
+++ b/examples/udp-stream/project-conf.h
@@ -35,13 +35,13 @@
 /* Free some code and RAM space */
 #define UIP_CONF_TCP                    0
 #undef UIP_CONF_DS6_NBR_NBU
-#define UIP_CONF_DS6_NBR_NBU            12
+#define UIP_CONF_DS6_NBR_NBU            8
 #undef UIP_CONF_DS6_ROUTE_NBU
-#define UIP_CONF_DS6_ROUTE_NBU          12
+#define UIP_CONF_DS6_ROUTE_NBU          8
 
 /* The total number of queuebuf */
 #undef QUEUEBUF_CONF_NUM
-#define QUEUEBUF_CONF_NUM               140
+#define QUEUEBUF_CONF_NUM               128
 /* The number of queuebuf actually stored in RAM. If
    not set or equal to the total number of queuebuf,
    swapping is disabled, and CFS not linked. */
diff --git a/examples/udp-stream/udp-stream.c b/examples/udp-stream/udp-stream.c
index a00d552b3..c53e72e91 100644
--- a/examples/udp-stream/udp-stream.c
+++ b/examples/udp-stream/udp-stream.c
@@ -101,8 +101,8 @@ create_rpl_dag(uip_ipaddr_t *ipaddr)
     rpl_dag_t *dag;
     uip_ipaddr_t prefix;
 
-    rpl_set_root(ipaddr);
-    dag = rpl_get_dag(RPL_ANY_INSTANCE);
+    rpl_set_root(RPL_DEFAULT_INSTANCE, ipaddr);
+    dag = rpl_get_any_dag();
     uip_ip6addr(&prefix, 0xaaaa, 0, 0, 0, 0, 0, 0, 0);
     rpl_set_prefix(dag, &prefix, 64);
     printf("created a new RPL dag\n");