diff --git a/addons/website_sale/views/templates.xml b/addons/website_sale/views/templates.xml
index 6e32fc934f2..596056b2df1 100644
--- a/addons/website_sale/views/templates.xml
+++ b/addons/website_sale/views/templates.xml
@@ -570,8 +570,8 @@
 
           <p class="hidden oe_not_available bg-danger" style="padding: 15px;">Product not available</p>
 
-          <a t-if="not optional_product_ids" disabled="disabled" class="btn btn-primary btn-lg mt8 a-submit js_check_product">Add to Cart</a>
-          <a t-if="optional_product_ids" disabled="disabled" class="btn btn-primary btn-lg mt8 js_check_product" href="#" data-toggle="modal" data-target="#modal_optional_products">Add to Cart</a>
+          <a t-if="not optional_product_ids" class="btn btn-primary btn-lg mt8 a-submit js_check_product">Add to Cart</a>
+          <a t-if="optional_product_ids" class="btn btn-primary btn-lg mt8 js_check_product" href="#" data-toggle="modal" data-target="#modal_optional_products">Add to Cart</a>
         </div>
     </form>
   </xpath>