title: Magento, filters not working in "shop by" left menu
body: <p>Hello i'm having a problem with magento 1.9.1.0, i've created a main category with 2 subcategory. I've set the main category to Anchor -> Yes. The problem is that the "Shop by" left navigation menu doesn't work, it works only if i visit the maincategory.html___store=default,
  i'm getting frustrated, any idea?</p>
  
  <p>Thank you!</p>