diff --git a/debian/changelog b/debian/changelog
index dc5bc80..3dbd89c 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -2,6 +2,8 @@ lubuntu-default-settings (0.11) UNRELEASED; urgency=low
 
   * usr/share/lubuntu/openbox/rc.xml:
    - Use lxtask instead of xfce4-taskmanager (LP: #621317)
+  * debian/prerm:
+   - Don't remove alternative on upgrade (LP: #625485)
 
  -- Julien Lavergne <gilir@ubuntu.com>  Fri, 20 Aug 2010 22:34:42 +0200
 
diff --git a/debian/prerm b/debian/prerm
index 297ce34..23ea4bd 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