diff --git a/account_banking_sepa_direct_debit/reports/sepa_direct_debit_mandate.xml b/account_banking_sepa_direct_debit/reports/sepa_direct_debit_mandate.xml
index 5566b996b..4c37790a7 100644
--- a/account_banking_sepa_direct_debit/reports/sepa_direct_debit_mandate.xml
+++ b/account_banking_sepa_direct_debit/reports/sepa_direct_debit_mandate.xml
@@ -29,7 +29,7 @@
         />
         <field
             name="print_report_name"
-        >'Mandate-%s-%s' % (object.unique_mandate_reference, object.partner_id.name.replace(' ', '_'))</field>
+        >'Mandate-%s-%s' % (object.unique_mandate_reference, object.partner_id and object.partner_id.name.replace(' ', '_') or '')</field>
         <field name="binding_model_id" ref="model_account_banking_mandate" />
     </record>
 </odoo>