diff --git a/zebra/zserv.h b/zebra/zserv.h
index ac5da1b..620e24d 100644
--- a/zebra/zserv.h
+++ b/zebra/zserv.h
@@ -56,6 +56,9 @@
 
   /* Interface information. */
   u_char ifinfo;
+
+  /* Router-id information. */
+  u_char ridinfo;
 };
 
 /* Zebra instance */
@@ -92,6 +95,7 @@
                              struct connected *);
 int zsend_interface_update (int, struct zserv *, struct interface *);
 int zsend_route_multipath (int, struct zserv *, struct prefix *, struct rib *);
+int zsend_router_id_update(struct zserv *, struct prefix *);
 
 extern pid_t pid;
 extern pid_t old_pid;