Category selection not working

Hi there, I’m currently using this plugin and have set things up as per the requirements but it doesn’t seem to be working properly.

Please can you have a look? One item is in the blue cheese category, but all items show up:

http://webhero.co.uk/gob/wines/?swoof=1&Food_Match=blue-cheese

This should be the only product to show http://webhero.co.uk/gob/wines/cava/cava-faustino-rosado-brut-rose/

http://webhero.co.uk/gob/food_match/blue-cheese/

Many thanks

https://wordpress.org/plugins/woocommerce-products-filter/