diff --git a/odoo/addons/base/views/ir_attachment_views.xml b/odoo/addons/base/views/ir_attachment_views.xml
index 9b28051a1e9..e1059d5d002 100644
--- a/odoo/addons/base/views/ir_attachment_views.xml
+++ b/odoo/addons/base/views/ir_attachment_views.xml
@@ -52,6 +52,7 @@
                     <field name="res_field"/>
                     <field name="res_id"/>
                     <field name="type"/>
+                    <field name="file_size"/>
                     <field name="company_id" groups="base.group_multi_company"/>
                     <field name="create_uid"/>
                     <field name="create_date"/>