diff --git a/kame/kame/ping6/ping6.c b/kame/kame/ping6/ping6.c
index 3782b3a186..eb43ed5ca4 100644
--- a/kame/kame/ping6/ping6.c
+++ b/kame/kame/ping6/ping6.c
@@ -1,4 +1,4 @@
-/*	$KAME: ping6.c,v 1.107 2000/12/22 00:32:44 itojun Exp $	*/
+/*	$KAME: ping6.c,v 1.108 2000/12/22 05:51:26 itojun Exp $	*/
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -609,6 +609,7 @@ main(argc, argv)
 	}
 
 	/* revoke root privilege */
+	seteuid(getuid());
 	setuid(getuid());
 
 	if (options & F_FLOOD && options & F_INTERVAL)