Parent category for classifieds doesn't display counter properly

There is a small issue with categories, if user chooses subcategory the counter for parent category still has 0 (see screen) is there a quick fix or something wrong with categories set up?

And you can see here http://vardrob.com/%D0%BA%D0%B0%D1%82%D0%B5%D0%B3%D0%BE%D1%80%D0%B8%D0%B8/