diff --git a/ospfd/ospf_lsa.h b/ospfd/ospf_lsa.h
index 9e480de..8dd054c 100644
--- a/ospfd/ospf_lsa.h
+++ b/ospfd/ospf_lsa.h
@@ -245,7 +245,7 @@
 extern struct ospf_lsa *ospf_lsa_dup (struct ospf_lsa *);
 extern void ospf_lsa_free (struct ospf_lsa *);
 extern struct ospf_lsa *ospf_lsa_lock (struct ospf_lsa *);
-extern void ospf_lsa_unlock (struct ospf_lsa *);
+extern void ospf_lsa_unlock (struct ospf_lsa **);
 extern void ospf_lsa_discard (struct ospf_lsa *);
 
 extern struct lsa_header *ospf_lsa_data_new (size_t);