diff --git a/addons/website_sale/controllers/main.py b/addons/website_sale/controllers/main.py
index 0682cccd931..b48552d70e5 100644
--- a/addons/website_sale/controllers/main.py
+++ b/addons/website_sale/controllers/main.py
@@ -947,7 +947,7 @@ class WebsiteSale(http.Controller):
     @http.route(['/shop/get_unit_price'], type='json', auth="public", methods=['POST'], website=True)
     def get_unit_price(self, product_ids, add_qty, **kw):
         products = request.env['product.product'].with_context({'quantity': add_qty}).browse(product_ids)
-        return {product.id: product.website_price // add_qty for product in products}
+        return {product.id: product.website_price / add_qty for product in products}
 
     # ------------------------------------------------------
     # Edit