diff --git a/README b/README
index 02d8ac1..42821eb 100644
--- a/README
+++ b/README
@@ -5,6 +5,9 @@ by Manuel Kasper, Monzoon Networks AG <mkasper@monzoon.net>
 
 Changes
 -------
+v1.xx	Generate v6 RRD DS in contrib/sync_ds.pl too
+		(spotted by Peter Hansen)
+
 v1.40	Add support for NetFlow v9 to netflow-asstatd.pl
 		(sponsored by Xplornet Communications Inc.)
 		
diff --git a/contrib/sync_ds.pl b/contrib/sync_ds.pl
index 0fb7bbb..52e389c 100644
--- a/contrib/sync_ds.pl
+++ b/contrib/sync_ds.pl
@@ -54,6 +54,8 @@ sub read_knownlinks {
 	my ($routerip,$ifindex,$tag,$descr,$color) = split(/\t+/);
 	$klfdsnames{$tag."_in"}++;
 	$klfdsnames{$tag."_out"}++;
+	$klfdsnames{$tag."_v6_in"}++;
+	$klfdsnames{$tag."_v6_out"}++;
     }
     close(KLFILE);
     return;