diff --git a/addons/event/report/event_event_reports.xml b/addons/event/report/event_event_reports.xml
index 2e48403e551..a09483ed43f 100644
--- a/addons/event/report/event_event_reports.xml
+++ b/addons/event/report/event_event_reports.xml
@@ -44,7 +44,7 @@
         <field name="report_type">qweb-pdf</field>
         <field name="report_name">event.event_registration_report_template_full_page_ticket</field>
         <field name="report_file">event.event_registration_report_template_full_page_ticket</field>
-        <field name="print_report_name">'Full Page Ticket - %s - %s' % ((object.event_id.name or 'Event').replace('/',''), object.name.replace('/',''))</field>
+        <field name="print_report_name">'Full Page Ticket - %s - %s' % ((object.event_id.name or 'Event').replace('/',''), (object.name or '').replace('/',''))</field>
         <field name="binding_model_id" ref="model_event_registration"/>
         <field name="binding_type">report</field>
         <field name="paperformat_id" ref="paperformat_event_full_page_ticket"/>
@@ -68,7 +68,7 @@
         <field name="report_type">qweb-pdf</field>
         <field name="report_name">event.event_registration_report_template_foldable_badge</field>
         <field name="report_file">event.event_registration_report_template_foldable_badge</field>
-        <field name="print_report_name">'Foldable Badge - %s - %s' % ((object.event_id.name or 'Event').replace('/',''), object.name.replace('/',''))</field>
+        <field name="print_report_name">'Foldable Badge - %s - %s' % ((object.event_id.name or 'Event').replace('/',''), (object.name or '').replace('/',''))</field>
         <field name="binding_model_id" ref="model_event_registration"/>
         <field name="binding_type">report</field>
         <field name="paperformat_id" ref="paperformat_event_foldable_badge"/>
diff --git a/addons/test_event_full/data/ir_actions_report_data.xml b/addons/test_event_full/data/ir_actions_report_data.xml
index 2b1608935a7..1e36bc5ab60 100644
--- a/addons/test_event_full/data/ir_actions_report_data.xml
+++ b/addons/test_event_full/data/ir_actions_report_data.xml
@@ -6,7 +6,7 @@
         <field name="report_type">qweb-pdf</field>
         <field name="report_name">test_event_full.event_registration_template_report</field>
         <field name="report_file">test_event_full.event_registration_template_report</field>
-        <field name="print_report_name">'Badge - %s - %s' % ((object.event_id.name or 'Event').replace('/',''), object.name.replace('/',''))</field>
+        <field name="print_report_name">'Badge - %s - %s' % ((object.event_id.name or 'Event').replace('/',''), (object.name or '').replace('/',''))</field>
         <field name="binding_model_id" ref="event.model_event_registration"/>
         <field name="binding_type">report</field>
     </record>