diff --git a/core/net/rpl/rpl-dag.c b/core/net/rpl/rpl-dag.c
index 8435ca207..447be3df2 100644
--- a/core/net/rpl/rpl-dag.c
+++ b/core/net/rpl/rpl-dag.c
@@ -121,8 +121,7 @@ rpl_print_neighbor_list(void)
 uip_ds6_nbr_t *
 rpl_get_nbr(rpl_parent_t *parent)
 {
-  linkaddr_t *lladdr = NULL;
-  lladdr = nbr_table_get_lladdr(rpl_parents, parent);
+  const linkaddr_t *lladdr = rpl_get_parent_lladdr(parent);
   if(lladdr != NULL) {
     return nbr_table_get_from_lladdr(ds6_neighbors, lladdr);
   } else {
@@ -1296,7 +1295,8 @@ rpl_process_parent_event(rpl_instance_t *instance, rpl_parent_t *p)
   if(!acceptable_rank(p->dag, p->rank)) {
     /* The candidate parent is no longer valid: the rank increase resulting
        from the choice of it as a parent would be too high. */
-    PRINTF("RPL: Unacceptable rank %u\n", (unsigned)p->rank);
+    PRINTF("RPL: Unacceptable rank %u (Current min %u, MaxRankInc %u)\n", (unsigned)p->rank,
+        p->dag->min_rank, p->dag->instance->max_rankinc);
     rpl_nullify_parent(p);
     if(p != instance->current_dag->preferred_parent) {
       return 0;