diff --git a/sys/netinet6/nd6.c b/sys/netinet6/nd6.c
index 52281b13abe0..b748b9c63a7e 100644
--- a/sys/netinet6/nd6.c
+++ b/sys/netinet6/nd6.c
@@ -1,4 +1,4 @@
-/*	$NetBSD: nd6.c,v 1.66 2002/06/09 14:43:13 itojun Exp $	*/
+/*	$NetBSD: nd6.c,v 1.67 2002/08/19 06:50:22 itojun Exp $	*/
 /*	$KAME: nd6.c,v 1.279 2002/06/08 11:16:51 itojun Exp $	*/
 
 /*
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: nd6.c,v 1.66 2002/06/09 14:43:13 itojun Exp $");
+__KERNEL_RCSID(0, "$NetBSD: nd6.c,v 1.67 2002/08/19 06:50:22 itojun Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -1968,10 +1968,14 @@ nd6_sysctl(name, oldp, oldlenp, newp, newlen)
 	switch (name) {
 	case ICMPV6CTL_ND6_DRLIST:
 		error = fill_drlist(oldp, oldlenp, ol);
+		if (!error)
+			copyout(oldp, oldp, *oldlenp);
 		break;
 
 	case ICMPV6CTL_ND6_PRLIST:
 		error = fill_prlist(oldp, oldlenp, ol);
+		if (!error)
+			copyout(oldp, oldp, *oldlenp);
 		break;
 
 	default: