diff --git a/addons/web/models/ir_qweb_fields.py b/addons/web/models/ir_qweb_fields.py
index 57f39c7a404..f3625e9f967 100644
--- a/addons/web/models/ir_qweb_fields.py
+++ b/addons/web/models/ir_qweb_fields.py
@@ -45,7 +45,7 @@ class Image(models.AbstractModel):
             filename = options['filename']
         else:
             filename = record.display_name
-        filename = filename.replace('/', '-').replace('\\', '-').replace('..', '--')
+        filename = (filename or 'name').replace('/', '-').replace('\\', '-').replace('..', '--')
 
         src = '/web/image/%s/%s/%s%s/%s?unique=%s' % (record._name, record.id, options.get('preview_image', field_name), max_size, url_quote(filename), sha)
 
diff --git a/addons/website_event_booth_exhibitor/models/event_booth.py b/addons/website_event_booth_exhibitor/models/event_booth.py
index 8e9d7f99381..48bac22fe6e 100644
--- a/addons/website_event_booth_exhibitor/models/event_booth.py
+++ b/addons/website_event_booth_exhibitor/models/event_booth.py
@@ -40,6 +40,9 @@ class EventBooth(models.Model):
                 'partner_id': self.partner_id.id,
                 **{key.partition('sponsor_')[2]: value for key, value in vals.items() if key.startswith('sponsor_')},
             }
+            # If confirmed from backend, we don't have _prepare_booth_registration_values
+            if not values.get('name'):
+                values['name'] = self.partner_id.name
             if self.booth_category_id.exhibitor_type == 'online':
                 values.update({
                     'room_name': 'odoo-exhibitor-%s' % self.partner_id.name,
diff --git a/addons/website_event_exhibitor/views/event_exhibitor_templates_page.xml b/addons/website_event_exhibitor/views/event_exhibitor_templates_page.xml
index ee237d93b16..843c17d2862 100644
--- a/addons/website_event_exhibitor/views/event_exhibitor_templates_page.xml
+++ b/addons/website_event_exhibitor/views/event_exhibitor_templates_page.xml
@@ -100,10 +100,10 @@
         <hr class="my-0"/>
         <div class="ml-3 clearfix">
             <div class="float-left pt-3">
-                <span t-if="sponsor.image_512" t-field="sponsor.image_512" class="o_wevent_online_page_avatar"
-                    t-options="{'widget': 'image', 'max-width': '96'}"/>
-                <span t-elif="sponsor.partner_id.image_512" t-field="sponsor.partner_id.image_512" class="o_wevent_online_page_avatar"
-                    t-options="{'widget': 'image', 'max-width': '96'}"/>
+                <span t-if="sponsor.image_128" t-field="sponsor.image_128" class="o_wevent_online_page_avatar"
+                    t-options="{'widget': 'image', 'filename-field': 'partner_name'}"/>
+                <span t-elif="sponsor.partner_id.image_128" t-field="sponsor.partner_id.image_128" class="o_wevent_online_page_avatar"
+                    t-options="{'widget': 'image', 'filename-field': 'partner_name'}"/>
             </div>
             <div class="o_wevent_sponsor px-3 pt-3 d-flex flex-row justify-content-between position-relative">
                 <div class="d-flex flex-column">
diff --git a/addons/website_event_exhibitor/views/event_templates_sponsor.xml b/addons/website_event_exhibitor/views/event_templates_sponsor.xml
index 8919bab350e..eae65320af8 100644
--- a/addons/website_event_exhibitor/views/event_templates_sponsor.xml
+++ b/addons/website_event_exhibitor/views/event_templates_sponsor.xml
@@ -30,7 +30,7 @@
 <template id="event_sponsor_thumb_details">
     <div class="h-100 shadow-sm p-2">
         <span t-field="sponsor.image_128"
-            t-options='{"widget": "image", "class": "img img-fluid"}'/>
+            t-options='{"widget": "image", "class": "img img-fluid", "filename-field": "partner_name"}'/>
         <span t-if="sponsor.sponsor_type_id.display_ribbon_style and sponsor.sponsor_type_id.display_ribbon_style != 'no_ribbon'"
             t-field="sponsor.sponsor_type_id" t-attf-class="o_ribbon o_ribbon_right ribbon_#{sponsor.sponsor_type_id.display_ribbon_style}"/>
     </div>