--- 15autologin.orig    2012-09-10 08:59:16.179341554 +1000
+++ 15autologin 2012-09-10 08:59:58.315341258 +1000
@@ -23,14 +23,15 @@
 if [ -d /root/etc/gdm ]; then
     # Configure GDM autologin
     GDMCustomFile=/root/etc/gdm/custom.conf
-    AutologinParameters="AutomaticLoginEnable=true\n\
+    AutologinParameters="# Casper Autologin Settings\n\
+AutomaticLoginEnable=true\n\
 AutomaticLogin=$USERNAME\n\
 TimedLoginEnable=true\n\
 TimedLogin=$USERNAME\n\
 TimedLoginDelay=10"

     # Prevent from updating if parameters already present (persistent usb key)
-    if ! `grep -qs 'AutomaticLoginEnable' $GDMCustomFile` ; then
+    if ! `grep -qs 'Casper\ Autologin\ Settings' $GDMCustomFile` ; then
         if ! `grep -qs '\[daemon\]' $GDMCustomFile` ; then
             echo '[daemon]' >> $GDMCustomFile
         fi