diff --git a/ospf6d/ospf6_flood.c b/ospf6d/ospf6_flood.c
index 2059d84868..ae26668c8a 100644
--- a/ospf6d/ospf6_flood.c
+++ b/ospf6d/ospf6_flood.c
@@ -347,6 +347,7 @@ void ospf6_flood_interface(struct ospf6_neighbor *from, struct ospf6_lsa *lsa,
 							"Received is newer, remove requesting");
 					if (req == on->last_ls_req) {
 						ospf6_lsa_unlock(req);
+						req = NULL;
 						on->last_ls_req = NULL;
 					}
 					if (req)