diff --git a/doc/ack.texi b/doc/ack.texi
index b37f5e265..23ab30cc6 100644
--- a/doc/ack.texi
+++ b/doc/ack.texi
@@ -39,7 +39,7 @@ Bugfixes, documentation, encouragement, and code has been contributed by:
 @item Marc Horowitz
 @email{marc@@cygnus.com}
 @item Luke Howard
-@email{lukeh@@xedoc.com.au}
+@email{lukeh@@PADL.COM}
 @item Brandon S. Allbery KF8NH
 @email{allbery@@kf8nh.apk.net}
 @item Jun-ichiro itojun Hagino