diff --git a/net/ip/contiki/rpl/rpl-dag.c b/net/ip/contiki/rpl/rpl-dag.c
index 0106f09b351..45e88876de0 100644
--- a/net/ip/contiki/rpl/rpl-dag.c
+++ b/net/ip/contiki/rpl/rpl-dag.c
@@ -298,13 +298,17 @@ get_dag(uint8_t instance_id, uip_ipaddr_t *dag_id)
 /*---------------------------------------------------------------------------*/
 rpl_dag_t *
 rpl_set_root(struct net_buf *buf, uint8_t instance_id, uip_ipaddr_t *dag_id)
+{
+  return rpl_set_root_with_version(buf, instance_id, dag_id, RPL_LOLLIPOP_INIT);
+}
+/*---------------------------------------------------------------------------*/
+rpl_dag_t *
+rpl_set_root_with_version(struct net_buf *buf, uint8_t instance_id, uip_ipaddr_t *dag_id, uint8_t version)
 {
   rpl_dag_t *dag;
   rpl_instance_t *instance;
-  uint8_t version;
   int i;
 
-  version = RPL_LOLLIPOP_INIT;
   instance = rpl_get_instance(instance_id);
   if(instance != NULL) {
     for(i = 0; i < RPL_MAX_DAG_PER_INSTANCE; ++i) {
diff --git a/net/ip/contiki/rpl/rpl.h b/net/ip/contiki/rpl/rpl.h
index 89270c3877f..cb4fbc6abdd 100644
--- a/net/ip/contiki/rpl/rpl.h
+++ b/net/ip/contiki/rpl/rpl.h
@@ -240,6 +240,7 @@ struct rpl_instance {
 void rpl_init(void);
 void uip_rpl_input(void);
 rpl_dag_t *rpl_set_root(struct net_buf *buf, uint8_t instance_id, uip_ipaddr_t *dag_id);
+rpl_dag_t *rpl_set_root_with_version(struct net_buf *buf, uint8_t instance_id, uip_ipaddr_t *dag_id, uint8_t version);
 int rpl_set_prefix(rpl_dag_t *dag, uip_ipaddr_t *prefix, unsigned len);
 int rpl_repair_root(struct net_buf *buf, uint8_t instance_id);
 int rpl_set_default_route(rpl_instance_t *instance, uip_ipaddr_t *from);