diff --git a/addons/sale_timesheet/views/sale_timesheet_portal_templates.xml b/addons/sale_timesheet/views/sale_timesheet_portal_templates.xml
index d983b28c095..76d6d52f9d5 100644
--- a/addons/sale_timesheet/views/sale_timesheet_portal_templates.xml
+++ b/addons/sale_timesheet/views/sale_timesheet_portal_templates.xml
@@ -66,7 +66,7 @@
 
     <template id="sale_order_portal_content_inherit" inherit_id="sale.sale_order_portal_content">
         <xpath expr="//td[@id='product_name']" position="inside">
-            <a t-if="len(timesheets.filtered(lambda t: t.so_line == line)) > 0" t-att-href="'/my/timesheets?search_in=sol_id&amp;search=%s' % line.id">View Timesheets</a>
+            <a t-if="timesheets and len(timesheets.filtered(lambda t: t.so_line == line)) > 0" t-att-href="'/my/timesheets?search_in=sol_id&amp;search=%s' % line.id">View Timesheets</a>
         </xpath>
     </template>