diff --git a/ospf6d/ospf6_asbr.h b/ospf6d/ospf6_asbr.h
index 73770cc..f3df90b 100644
--- a/ospf6d/ospf6_asbr.h
+++ b/ospf6d/ospf6_asbr.h
@@ -49,7 +49,7 @@
   struct in6_addr forwarding;
   /* u_int32_t tag; */
 
-  unsigned int ifindex;
+  ifindex_t ifindex;
 };
 
 /* AS-External-LSA */
@@ -79,11 +79,11 @@
 extern void ospf6_asbr_lsentry_remove (struct ospf6_route *asbr_entry);
 
 extern int ospf6_asbr_is_asbr (struct ospf6 *o);
-extern void ospf6_asbr_redistribute_add (int type, int ifindex,
+extern void ospf6_asbr_redistribute_add (int type, ifindex_t ifindex,
                                          struct prefix *prefix,
                                          u_int nexthop_num,
                                          struct in6_addr *nexthop);
-extern void ospf6_asbr_redistribute_remove (int type, int ifindex,
+extern void ospf6_asbr_redistribute_remove (int type, ifindex_t ifindex,
                                             struct prefix *prefix);
 
 extern int ospf6_redistribute_config_write (struct vty *vty);