uncheck Different first page option without losing its content

[herosz]

Hy!


I created a nice header with table and picture, but unfortunatelly before save the template I left Different first page option checked.
Now if I uncheck this option I lose the header but I want to keep it and use this header for all document's pages, so is any posibility to do that ?
I tried to copy the header before uncheck the option, then paste it back but I got a lot of formatting problems, so is posible to do that without copy/paste?