wrong next previous product category order

Hi,

The buttons navigating to next, previous product on the category page don't display the products in the right order, the order is quite random, is there any settings to change to correct it? Any ideas?
hammockology.ie/hammocks/

Thanks,
Kashka

Hello,
We'll continue through that thread : www.hikashop.com/forum/install-update/86...ry-order.html#156072