diff --git a/proto/ospf/lsupd.c b/proto/ospf/lsupd.c
index 4c52d9ce..90a7b7dc 100644
--- a/proto/ospf/lsupd.c
+++ b/proto/ospf/lsupd.c
@@ -412,6 +412,7 @@ ospf_lsupd_rx(struct ospf_lsupd_packet *ps, struct proto *p,
         &&lsadb&&can_flush_lsa(oa))
       {
         flush_lsa(lsadb,oa);
+        schedule_rtcalc(oa);
         continue;
       }