diff --git a/ospfd/ospf_interface.c b/ospfd/ospf_interface.c
index 951c19a..4eccee7 100644
--- a/ospfd/ospf_interface.c
+++ b/ospfd/ospf_interface.c
@@ -145,7 +145,7 @@
 }
 
 /* lookup oi for specified prefix/ifp */
-static struct ospf_interface *
+struct ospf_interface *
 ospf_if_table_lookup (struct interface *ifp, struct prefix *prefix)
 {
   struct prefix p;