Automatic Nodetitles: How to hide "Pattern for the Title" when empty
Try the -dev version of the module. The release date for 1.0 of autmoatic nodetitles is 2011-Jun-07. You really think something released in 2011 is bug-free in against Drupal 7.31 (current stable release) ...

If you really care you could request a new supported release of the module in the issue queue.