diff --git a/src/include/rpc/rpc.h b/src/include/rpc/rpc.h
index 90d9a45b..2664e9ba 100644
--- a/src/include/rpc/rpc.h
+++ b/src/include/rpc/rpc.h
@@ -89,6 +89,7 @@ extern void setrpcent __P((int));
 extern void endrpcent __P((void));
 
 extern int bindresvport __P((int, struct sockaddr_in *));
+extern int get_myaddress __P((struct sockaddr_in *));
 
 __END_DECLS