diff --git a/addons/website_sale/static/src/js/website_sale.js b/addons/website_sale/static/src/js/website_sale.js
index 4336ca22930..338369b46e3 100644
--- a/addons/website_sale/static/src/js/website_sale.js
+++ b/addons/website_sale/static/src/js/website_sale.js
@@ -90,6 +90,12 @@ $('.oe_website_sale').each(function () {
         return price + (dec ? '' : '.0') + (dec%10 ? '' : '0');
     }
 
+    $(oe_website_sale).on('change', 'input.js_product_change', function (ev) {
+        var $parent = $(this).closest('.js_product');
+        $parent.find(".oe_default_price:first .oe_currency_value").html( price_to_str(+$(this).data('lst_price')) );
+        $parent.find(".oe_price:first .oe_currency_value").html(price_to_str(+$(this).data('price')) );
+    });
+
     $(oe_website_sale).on('change', 'input.js_variant_change, select.js_variant_change', function (ev) {
         var $ul = $(this).parents('ul.js_add_cart_variants:first');
         var $parent = $ul.closest('.js_product');
diff --git a/addons/website_sale/views/templates.xml b/addons/website_sale/views/templates.xml
index 864f62410ca..7451aa00add 100644
--- a/addons/website_sale/views/templates.xml
+++ b/addons/website_sale/views/templates.xml
@@ -460,7 +460,7 @@
     <input type="hidden" t-if="len(product.product_variant_ids) == 1" name="product_id" t-att-value="product.product_variant_ids[0].id"/>
     <t t-if="len(product.product_variant_ids) &gt; 1">
       <label label-default="label-default" class="radio" t-foreach="product.product_variant_ids" t-as="variant_id">
-        <input type="radio" name="product_id" t-att-value="variant_id.id"/>
+        <input type="radio" name="product_id" class="js_product_change" t-att-value="variant_id.id" t-att-data-lst_price="variant_id.lst_price" t-att-data-price="variant_id.price"/>
         <span t-esc="variant_id.name_get()[0][1]"/>
         <span class="badge" t-if="variant_id.price_extra">
           <t t-esc="variant_id.price_extra > 0 and '+' or ''"/><span t-field="variant_id.price_extra" style="white-space: nowrap;" t-field-options='{