diff --git a/addons/account/views/account_invoice_view.xml b/addons/account/views/account_invoice_view.xml
index 6ad002f1c51..efc11c97b45 100644
--- a/addons/account/views/account_invoice_view.xml
+++ b/addons/account/views/account_invoice_view.xml
@@ -385,7 +385,7 @@
                         </page>
                     </notebook>
                 </sheet>
-                <div class="o_attachment_preview" attrs="{'invisible': ['|',('type', '!=', 'in_invoice'),('state', '!=', 'draft')]}" options="{'preview_priority_type': 'pdf'}"/>
+                <div class="o_attachment_preview" attrs="{'invisible': ['|',('type', '!=', 'in_invoice'),('state', '!=', 'draft')]}" />
                 <div class="oe_chatter">
                     <field name="message_follower_ids" widget="mail_followers"/>
                     <field name="activity_ids" widget="mail_activity"/>