diff --git a/ospfd/ospf_lsa.c b/ospfd/ospf_lsa.c
index 109a120..270c1ea 100644
--- a/ospfd/ospf_lsa.c
+++ b/ospfd/ospf_lsa.c
@@ -2856,6 +2856,7 @@
         if (thread_should_yield (thread))
           {
             OSPF_TIMER_ON (ospf->t_maxage, ospf_maxage_lsa_remover, 0);
+            route_unlock_node(rn); /* route_top/route_next */
             return 0;
           }