diff --git a/ospfd/ospf_nsm.c b/ospfd/ospf_nsm.c
index 2cbd04bbee..b733878496 100644
--- a/ospfd/ospf_nsm.c
+++ b/ospfd/ospf_nsm.c
@@ -338,7 +338,8 @@ nsm_exchange_done (struct ospf_neighbor *nbr)
     return NSM_Full;
 
   /* Send Link State Request. */
-  ospf_ls_req_send (nbr);
+  if (nbr->t_ls_req == NULL)
+    ospf_ls_req_send (nbr);
 
   return NSM_Loading;
 }
diff --git a/ospfd/ospf_packet.c b/ospfd/ospf_packet.c
index fb86f3fc81..7a4d027843 100644
--- a/ospfd/ospf_packet.c
+++ b/ospfd/ospf_packet.c
@@ -1205,6 +1205,9 @@ ospf_db_desc_proc (struct stream *s, struct ospf_interface *oi,
   
   /* Save received neighbor values from DD. */
   ospf_db_desc_save_current (nbr, dd);
+
+  if (!nbr->t_ls_req)
+    ospf_ls_req_send (nbr);
 }
 
 static int