diff --git a/misc/sources.list.ubuntu1204 b/misc/sources.list.ubuntu1204
index 2d14e39..6a63f7c 100644
--- a/misc/sources.list.ubuntu1204
+++ b/misc/sources.list.ubuntu1204
@@ -30,7 +30,11 @@ deb-src http://archive.canonical.com/ubuntu precise partner
 deb http://extras.ubuntu.com/ubuntu precise main
 deb-src http://extras.ubuntu.com/ubuntu precise main
 
-# Virtualbox
+## Virtualbox
 # gpg --keyserver pool.sks-keyservers.net --recv-keys 98AB5139
 # gpg --export -a 7B0FAB3A13B907435925D9C954422A4B98AB5139|apt-key add -
 deb http://download.virtualbox.org/virtualbox/debian wheezy contrib
+
+## MATE
+# sudo apt-get --yes --quiet --allow-unauthenticated install mate-archive-keyring
+deb http://packages.mate-desktop.org/repo/ubuntu precise main