diff --git a/addons/purchase/controllers/portal.py b/addons/purchase/controllers/portal.py
index 400b6ed51fa..f718a9e4c02 100644
--- a/addons/purchase/controllers/portal.py
+++ b/addons/purchase/controllers/portal.py
@@ -2,10 +2,12 @@
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
 from collections import OrderedDict
+from functools import partial
 
 from odoo import http
 from odoo.exceptions import AccessError, MissingError
 from odoo.http import request
+from odoo.tools import image_resize_image
 from odoo.tools.translate import _
 from odoo.addons.portal.controllers.portal import pager as portal_pager, CustomerPortal
 
@@ -22,6 +24,7 @@ class CustomerPortal(CustomerPortal):
     def _purchase_order_get_page_view_values(self, order, access_token, **kwargs):
         values = {
             'order': order,
+            'resize_to_48': partial(image_resize_image, size=(48, 48)),
         }
         return self._get_page_view_values(order, access_token, values, 'my_purchases_history', True, **kwargs)
 
diff --git a/addons/purchase/views/portal_templates.xml b/addons/purchase/views/portal_templates.xml
index 5b57b343ccd..c125d4e18a8 100644
--- a/addons/purchase/views/portal_templates.xml
+++ b/addons/purchase/views/portal_templates.xml
@@ -95,7 +95,7 @@
               <t t-foreach="order.order_line" t-as="ol">
                 <div class="row purchases_vertical_align">
                   <div class="col-lg-1 text-center">
-                      <img t-att-src="'/web/image/purchase.order.line/%s/product_image/48x48' % ol.id" alt="Product"/>
+                      <img t-att-src="image_data_uri(resize_to_48(ol.product_id.image))" alt="Product"/>
                   </div>
                   <div id='product_name' class="col-lg-5">
                     <span t-esc="ol.product_id.name"/>