Nautilus : "New file" menu disappeared

ljouhet@myboard:~$ cat ~/.config/user-dirs.dirs 
# This file is written by xdg-user-dirs-update
# If you want to change or add directories, just edit the line you're
# interested in. All local changes will be retained on the next run
# Format is XDG_xxx_DIR="$HOME/yyy", where yyy is a shell-escaped
# homedir-relative path, or XDG_xxx_DIR="/yyy", where /yyy is an
# absolute path. No other format is supported.
# 
XDG_DESKTOP_DIR="$HOME/Bureau"
XDG_DOWNLOAD_DIR="$HOME/Téléchargements"
XDG_TEMPLATES_DIR="$HOME/" # <- This directory
XDG_PUBLICSHARE_DIR="$HOME/"
XDG_DOCUMENTS_DIR="$HOME/"
XDG_MUSIC_DIR="$HOME/"
XDG_PICTURES_DIR="$HOME/"
XDG_VIDEOS_DIR="$HOME/"

(If needed) Modifiy XDG_TEMPLATES_DIR in ~/.config/user-dirs.dirs
Go to this directory and create an empty file : 'file'
Restart session

Sources :

http://doc.ubuntu-fr.org/nautilus
http://askubuntu.com/a/209669 (default directory : $HOME/Templates)