if [ -d /lib/live/mount/overlay ] ; then # since around December 2012
CHANGE_DIR='/lib/live/mount/overlay'
- if [ -d /live/overlay ] ; then # until around December 2012
+ elif [ -d /live/overlay ] ; then # until around December 2012
CHANGE_DIR='/live/overlay'
elif [ -d /live/image ] ; then # old version
CHANGE_DIR='/live/image'