diff --git a/examples/ipv6/rpl-collect/udp-sender.c b/examples/ipv6/rpl-collect/udp-sender.c
index 2c0faa059..fa5c80790 100644
--- a/examples/ipv6/rpl-collect/udp-sender.c
+++ b/examples/ipv6/rpl-collect/udp-sender.c
@@ -144,7 +144,7 @@ collect_common_send(void)
       }
     }
     rtmetric = dag->rank;
-    beacon_interval = (uint16_t) ((2L << dag->dio_intcurrent) / 1000);
+    beacon_interval = (uint16_t) ((2L << dag->instance->dio_intcurrent) / 1000);
     num_neighbors = RPL_PARENT_COUNT(dag);
   } else {
     rtmetric = 0;