diff --git a/addons/website_event_sale/views/website_event_sale.xml b/addons/website_event_sale/views/website_event_sale.xml
index eb0a2a85889..0a94514938b 100644
--- a/addons/website_event_sale/views/website_event_sale.xml
+++ b/addons/website_event_sale/views/website_event_sale.xml
@@ -79,5 +79,11 @@
     </xpath>
 </template>
 
+<template id="cart" inherit_id="website_sale.cart" name="Hide product reduction for event tickets">
+    <xpath expr="//del" position="attributes">
+        <attribute name="t-attf-class" separator=" " add="#{line.event_id and 'hidden' or ''}"/>
+    </xpath>
+</template>
+
 </data>
 </openerp>
diff --git a/addons/website_sale/views/templates.xml b/addons/website_sale/views/templates.xml
index 135acd60c14..f964c656e86 100644
--- a/addons/website_sale/views/templates.xml
+++ b/addons/website_sale/views/templates.xml
@@ -778,7 +778,7 @@
                                   </div>
                               </td>
                               <td class="text-center" id="td-price" name="price">
-                                  <del class="text-danger mr8" t-att-style="'' if (compute_currency(line.product_id.lst_price) - line.price_reduce) &gt; 1 else 'display: none;'" style="text-decoration: line-through; white-space: nowrap;"
+                                  <del t-attf-class="text-danger mr8 #{compute_currency(line.product_id.lst_price) - line.price_reduce &lt; 1 and 'hidden' or ''}" style="text-decoration: line-through; white-space: nowrap;"
                                     t-field="line.product_id.lst_price" t-field-options='{
                                         "widget": "monetary",
                                         "from_currency": "line.company_id.currency_id",