Filter not working

Hey!

This is the product first product: Test – Komplet Light You can see that it has the attribute Culoare Corp = Auriu.

This is the products list page: Iluminat Interior – Komplet Light

With no filters applied, it shows the product. Also, the filter detects correctly that there is one product with that attribute.

After checking the Auriu checkbox, the filter returns no results.

Below are screenshots on how the filter is set up.

The page I need help with: [log in to see the link]