diff --git a/.mailmap b/.mailmap
index a8091eb5df..19c8726232 100644
--- a/.mailmap
+++ b/.mailmap
@@ -36,7 +36,7 @@ Lars Doelle <lars.doelle@on-line ! de>
 Lars Doelle <lars.doelle@on-line.de>
 Li Hong <leehong@pku.edu.cn>
 Lukas Sandström <lukass@etek.chalmers.se>
-Martin Langhoff <martin@catalyst.net.nz>
+Martin Langhoff <martin@laptop.org>
 Michael Coleman <tutufan@gmail.com>
 Michael J Gruber <git@drmicha.warpmail.net> <michaeljgruber+gmane@fastmail.fm>
 Michael W. Olson <mwolson@gnu.org>
diff --git a/Documentation/git-archimport.txt b/Documentation/git-archimport.txt
index 4f358c8d6c..2411ce5bfe 100644
--- a/Documentation/git-archimport.txt
+++ b/Documentation/git-archimport.txt
@@ -109,7 +109,7 @@ OPTIONS
 
 Author
 ------
-Written by Martin Langhoff <martin@catalyst.net.nz>.
+Written by Martin Langhoff <martin@laptop.org>.
 
 Documentation
 --------------
diff --git a/Documentation/git-cvsexportcommit.txt b/Documentation/git-cvsexportcommit.txt
index b2696efae9..d25661eb21 100644
--- a/Documentation/git-cvsexportcommit.txt
+++ b/Documentation/git-cvsexportcommit.txt
@@ -114,11 +114,11 @@ $ git cherry cvshead myhead | sed -n 's/^+ //p' | xargs -l1 git cvsexportcommit
 
 Author
 ------
-Written by Martin Langhoff <martin@catalyst.net.nz> and others.
+Written by Martin Langhoff <martin@laptop.org> and others.
 
 Documentation
 --------------
-Documentation by Martin Langhoff <martin@catalyst.net.nz> and others.
+Documentation by Martin Langhoff <martin@laptop.org> and others.
 
 GIT
 ---
diff --git a/Documentation/git-cvsserver.txt b/Documentation/git-cvsserver.txt
index f4472c61db..70cbb2cae7 100644
--- a/Documentation/git-cvsserver.txt
+++ b/Documentation/git-cvsserver.txt
@@ -399,13 +399,13 @@ This program is copyright The Open University UK - 2006.
 Authors:
 
 - Martyn Smith    <martyn@catalyst.net.nz>
-- Martin Langhoff <martin@catalyst.net.nz>
+- Martin Langhoff <martin@laptop.org>
 
 with ideas and patches from participants of the git-list <git@vger.kernel.org>.
 
 Documentation
 --------------
-Documentation by Martyn Smith <martyn@catalyst.net.nz>, Martin Langhoff <martin@catalyst.net.nz>, and Matthias Urlichs <smurf@smurf.noris.de>.
+Documentation by Martyn Smith <martyn@catalyst.net.nz>, Martin Langhoff <martin@laptop.org>, and Matthias Urlichs <smurf@smurf.noris.de>.
 
 GIT
 ---
diff --git a/git-cvsserver.perl b/git-cvsserver.perl
index e9f3037df3..bd19b85533 100755
--- a/git-cvsserver.perl
+++ b/git-cvsserver.perl
@@ -8,7 +8,7 @@
 #### Copyright The Open University UK - 2006.
 ####
 #### Authors: Martyn Smith    <martyn@catalyst.net.nz>
-####          Martin Langhoff <martin@catalyst.net.nz>
+####          Martin Langhoff <martin@laptop.org>
 ####
 ####
 #### Released under the GNU Public License, version 2.
@@ -2680,7 +2680,7 @@ package GITCVS::log;
 #### Copyright The Open University UK - 2006.
 ####
 #### Authors: Martyn Smith    <martyn@catalyst.net.nz>
-####          Martin Langhoff <martin@catalyst.net.nz>
+####          Martin Langhoff <martin@laptop.org>
 ####
 ####
 
@@ -2847,7 +2847,7 @@ package GITCVS::updater;
 #### Copyright The Open University UK - 2006.
 ####
 #### Authors: Martyn Smith    <martyn@catalyst.net.nz>
-####          Martin Langhoff <martin@catalyst.net.nz>
+####          Martin Langhoff <martin@laptop.org>
 ####
 ####