diff --git a/ospf6d/ospf6_flood.c b/ospf6d/ospf6_flood.c
index dc9ecbf..49ed6e2 100644
--- a/ospf6d/ospf6_flood.c
+++ b/ospf6d/ospf6_flood.c
@@ -220,6 +220,7 @@
   if (old)
     {
       THREAD_OFF (old->expire);
+      THREAD_OFF (old->refresh);
       ospf6_flood_clear (old);
     }
 
diff --git a/ospf6d/ospf6_lsdb.c b/ospf6d/ospf6_lsdb.c
index 5138d1c..707afc6 100644
--- a/ospf6d/ospf6_lsdb.c
+++ b/ospf6d/ospf6_lsdb.c
@@ -473,6 +473,8 @@
          */
         lsa->header->seqnum = htonl(OSPF_MAX_SEQUENCE_NUMBER + 1);
         ospf6_lsa_checksum (lsa->header);
+
+	THREAD_OFF(lsa->refresh);
         thread_execute (master, ospf6_lsa_refresh, lsa, 0);
       } else {
         ospf6_lsdb_remove (lsa, lsdb);