diff --git a/debian/changelog b/debian/changelog
index 0c63269..1e7e16a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -2,6 +2,8 @@ lubuntu-default-settings (0.12) UNRELEASED; urgency=low
 
   * debian/postinst:
    - Remove alternatives file if it's not a symlink (LP: #625485).
+  * debian/prerm:
+   - Don't remove alternative on upgrade.
 
  -- Julien Lavergne <gilir@ubuntu.com>  Wed, 29 Sep 2010 00:46:48 +0200
 
diff --git a/debian/prerm b/debian/prerm
index 297ce34..4a9bf9b 100644
--- a/debian/prerm
+++ b/debian/prerm
@@ -2,7 +2,7 @@
 
 set -e
 
-if [ "$1" = "remove" ] || [ "$1" = upgrade ]; then
+if [ "$1" = "remove" ] ; then
   update-alternatives --remove lxdm.conf /etc/xdg/lubuntu/lxdm/lxdm.conf 
 fi