diff --git a/addons/website_sale/controllers/main.py b/addons/website_sale/controllers/main.py
index 3531853227c..f16ef43e179 100644
--- a/addons/website_sale/controllers/main.py
+++ b/addons/website_sale/controllers/main.py
@@ -181,19 +181,29 @@ class Ecommerce(http.Controller):
 
         return request.redirect(url)
 
-    def attributes_to_ids(self, attributes):
-        obj = request.registry.get('product.attribute.line')
-        domain = []
+    def attributes_to_ids(self, cr, uid, attributes):
+        req = """
+                SELECT  product_tmpl_id as id, count(*) as nb_match
+                FROM    product_attribute_line
+                WHERE   1!=1
+            """
+        nb = 0
         for key_val in attributes:
-            domain.append(("attribute_id", "=", key_val[0]))
+            attribute_id = key_val[0]
             if isinstance(key_val[1], list):
-                domain.append(("value", ">=", key_val[1][0]))
-                domain.append(("value", "<=", key_val[1][1]))
+                req += " OR ( attribute_id = %s AND value >= %s AND value <= %s)" % \
+                        (attribute_id, key_val[1][0], key_val[1][1])
+                nb += 1
             else:
-                domain.append(("value_id", "in", key_val[1:]))
-        att_ids = obj.search(request.cr, request.uid, domain, context=request.context)
-        att = obj.read(request.cr, request.uid, att_ids, ["product_tmpl_id"], context=request.context)
-        return [r["product_tmpl_id"][0] for r in att]
+                for value_id in key_val[1:]:
+                    req += " OR ( attribute_id = %s AND value_id = %s)" % \
+                        (attribute_id, value_id)
+                    nb += 1
+
+        req += " GROUP BY product_tmpl_id"
+        cr.execute(req)
+        result = cr.fetchall()
+        return [id for id, nb_match in result if nb_match >= nb]
 
     @http.route(['/shop/pricelist'], type='http', auth="public", website=True, multilang=True)
     def shop_promo(self, promo=None, **post):
@@ -221,7 +231,7 @@ class Ecommerce(http.Controller):
         if filters:
             filters = simplejson.loads(filters)
             if filters:
-                ids = self.attributes_to_ids(filters)
+                ids = self.attributes_to_ids(cr, uid, filters)
                 domain.append(('id', 'in', ids or [0]))
 
         url = "/shop/"
diff --git a/addons/website_sale/static/src/js/website_sale.js b/addons/website_sale/static/src/js/website_sale.js
index 3c9bb6ea05c..2dc908ccd13 100644
--- a/addons/website_sale/static/src/js/website_sale.js
+++ b/addons/website_sale/static/src/js/website_sale.js
@@ -107,6 +107,10 @@ $(document).ready(function () {
                 $min.val( ui.values[ 0 ] );
                 $max.val( ui.values[ 1 ] );
                 $form.submit();
+            },
+            slide: function( event, ui ) {
+                $min.val( ui.values[ 0 ] );
+                $max.val( ui.values[ 1 ] );
             }
         });
         $min.val( $slider.slider( "values", 0 ) );
diff --git a/addons/website_sale/views/website_sale.xml b/addons/website_sale/views/website_sale.xml
index 803dc695ff0..4f8a5404d74 100644
--- a/addons/website_sale/views/website_sale.xml
+++ b/addons/website_sale/views/website_sale.xml
@@ -608,9 +608,9 @@
                       <t t-set="attribute" t-value="Ecommerce.has_search_filter(attribute_id.id)"/>
                       <div style="margin: 0 20px;" class="js_slider"
                         t-att-data-id="attribute_id.id"
-                        t-att-data-value-min="attribute and attribute[1][0] or attribute_id.float_min"
+                        t-att-data-value-min="attribute and attribute[1][0] or attribute_id.float_min or '0'"
                         t-att-data-value-max="attribute and attribute[1][1] or attribute_id.float_max"
-                        t-att-data-min="attribute_id.float_min"
+                        t-att-data-min="attribute_id.float_min or '0'"
                         t-att-data-max="attribute_id.float_max"></div>
                   </li>
                 </t>