diff --git a/addons/delivery/delivery.py b/addons/delivery/delivery.py
index 8f474461cf7..3827baaf1c5 100644
--- a/addons/delivery/delivery.py
+++ b/addons/delivery/delivery.py
@@ -194,9 +194,9 @@ class delivery_grid(osv.osv):
         for line in order.order_line:
             if not line.product_id or line.is_delivery:
                 continue
-            total += line.price_subtotal or 0.0
             weight += (line.product_id.weight or 0.0) * line.product_uom_qty
             volume += (line.product_id.volume or 0.0) * line.product_uom_qty
+        total = order.amount_total or 0.0
 
 
         return self.get_price_from_picking(cr, uid, id, total,weight, volume, context=context)
diff --git a/addons/website_sale/controllers/main.py b/addons/website_sale/controllers/main.py
index ce23c38fa73..f258d142a4f 100644
--- a/addons/website_sale/controllers/main.py
+++ b/addons/website_sale/controllers/main.py
@@ -406,14 +406,16 @@ class Ecommerce(http.Controller):
                 order.amount_total,
                 request.website._render("website_sale.total", {'website_sale_order': order})]
 
-    @http.route(['/shop/set_cart_json/'], type='json', auth="public")
+    @http.route(['/shop/set_cart_json/'], type='json', auth="public", website=True, multilang=True)
     def set_cart_json(self, path=None, product_id=None, order_line_id=None, set_number=0, json=None):
         quantity = request.registry['website']._ecommerce_add_product_to_cart(request.cr, request.uid,
             product_id=product_id, order_line_id=order_line_id, set_number=set_number,
             context=request.context)
         order = self.get_order()
         return [quantity,
-                order.get_number_of_products()]
+                order.get_number_of_products(),
+                order.amount_total,
+                request.website._render("website_sale.total", {'website_sale_order': order})]
     
     @http.route(['/shop/checkout/'], type='http', auth="public", website=True, multilang=True)
     def checkout(self, **post):
diff --git a/addons/website_sale/static/src/js/website_sale.js b/addons/website_sale/static/src/js/website_sale.js
index 8298f6b22c0..f3ec024ca2a 100644
--- a/addons/website_sale/static/src/js/website_sale.js
+++ b/addons/website_sale/static/src/js/website_sale.js
@@ -20,18 +20,20 @@ $(document).ready(function () {
             .fadeIn(600);
     }
 
-    $(".oe_website_sale .oe_mycart input.js_quantity").change(function () {
+    $(".oe_website_sale .oe_mycart input.js_quantity").change(function (ev) {
         var $input = $(this);
+        var $link = $(ev.currentTarget);
         var value = parseInt($input.val(), 10);
         if (isNaN(value)) value = 0;
         openerp.jsonRpc("/shop/set_cart_json/", 'call', {'order_line_id': $input.data('id'), 'set_number': value})
             .then(function (data) {
-                if (!data) {
+                if (!data[0]) {
                     location.reload();
                     return;
                 }
                 set_my_cart_quantity(data[1]);
-                $input.val(data[0]);
+                $link.parents(".input-group:first").find(".js_quantity").val(data[0]);
+                $('#mycart_total').replaceWith(data[3]);
             });
     });
 
diff --git a/addons/website_sale_delivery/models/sale_order.py b/addons/website_sale_delivery/models/sale_order.py
index c6ac851d9d4..029190d35c8 100644
--- a/addons/website_sale_delivery/models/sale_order.py
+++ b/addons/website_sale_delivery/models/sale_order.py
@@ -82,10 +82,10 @@ class SaleOrder(orm.Model):
                         carrier_id = delivery_id
                         break
                 order.write({'carrier_id': carrier_id}, context=context)
-                if carrier_id:
-                    order.delivery_set(context=context)
-                else:
-                    order._delivery_unset(context=context)                    
+            if carrier_id:
+                order.delivery_set(context=context)
+            else:
+                order._delivery_unset(context=context)                    
 
         return bool(carrier_id)
 
diff --git a/addons/website_sale_delivery/models/website.py b/addons/website_sale_delivery/models/website.py
index efd8b2233d2..0de2506d3dc 100644
--- a/addons/website_sale_delivery/models/website.py
+++ b/addons/website_sale_delivery/models/website.py
@@ -17,4 +17,5 @@ class Website(orm.Model):
             product_id=product_id, order_line_id=order_line_id, number=number, set_number=set_number,
             context=context)
         order = self.ecommerce_get_current_order(cr, uid, context=context)
-        return self.pool['sale.order']._check_carrier_quotation(cr, uid, order, force_carrier_id=None, context=context) and quantity or None
+        self.pool['sale.order']._check_carrier_quotation(cr, uid, order, force_carrier_id=None, context=context) and quantity or None
+        return quantity