Admin Banner end date only to 2010?

Hi,
in ACP -> Styles Admin -> Banner the End Time of Banners can only be set to 2010 and than to 2099. How can I insert e.g. 2011, 2012 etc.?
Regards
Thorsten
in ACP -> Styles Admin -> Banner the End Time of Banners can only be set to 2010 and than to 2099. How can I insert e.g. 2011, 2012 etc.?
Regards
Thorsten