diff --git a/ospfd/ospf_lsdb.c b/ospfd/ospf_lsdb.c
index 56ab9e2..c0ec4b3 100644
--- a/ospfd/ospf_lsdb.c
+++ b/ospfd/ospf_lsdb.c
@@ -71,7 +71,7 @@
     route_table_finish (lsdb->type[i].db);
 }
 
-void
+static void
 lsdb_prefix_set (struct prefix_ls *lp, struct ospf_lsa *lsa)
 {
   memset (lp, 0, sizeof (struct prefix_ls));