diff --git a/ereuse_devicehub/inventory/views.py b/ereuse_devicehub/inventory/views.py
index 9682e0c1..567196eb 100644
--- a/ereuse_devicehub/inventory/views.py
+++ b/ereuse_devicehub/inventory/views.py
@@ -166,10 +166,14 @@ class DeviceDetailView(GenericMixin):
         )
 
         form_tags = TagDeviceForm(dhid=id)
+        placeholder = device.binding or device.placeholder
+        if not placeholder:
+            return NotFound()
+
         self.context.update(
             {
                 'device': device,
-                'placeholder': device.binding or device.placeholder,
+                'placeholder': placeholder,
                 'page_title': 'Device {}'.format(device.devicehub_id),
                 'form_tag_device': form_tags,
             }
diff --git a/ereuse_devicehub/templates/inventory/erasure_list.html b/ereuse_devicehub/templates/inventory/erasure_list.html
index 2d93d4bd..57f91b75 100644
--- a/ereuse_devicehub/templates/inventory/erasure_list.html
+++ b/ereuse_devicehub/templates/inventory/erasure_list.html
@@ -71,9 +71,13 @@
                                />
                       </td>
                       <td>
+                        {% if ac.device.phid() %}
                         <a href="{{ url_for('inventory.device_details', id=ac.device.dhid)}}">
                           {{ ac.device.serial_number.upper() }}
                         </a>
+                        {% else %}
+                        {{ ac.device.serial_number.upper() }}
+                        {% endif %}
                       </td>
                       <td>
                         <a href="{{ url_for('inventory.export', export_id='snapshot') }}?id={{ ac.snapshot.uuid }}">
diff --git a/scripts/datastorage_orphans.py b/scripts/datastorage_orphans.py
new file mode 100644
index 00000000..72148e94
--- /dev/null
+++ b/scripts/datastorage_orphans.py
@@ -0,0 +1,63 @@
+import copy
+import sys
+
+from flask import g
+
+from ereuse_devicehub.db import db
+from ereuse_devicehub.devicehub import Devicehub
+from ereuse_devicehub.resources.device.models import DataStorage, Placeholder
+from ereuse_devicehub.resources.lot.models import LotDevice
+
+
+def clone_device(device):
+    if device.phid():
+        return
+
+    g.user = device.owner
+
+    old_devicehub_id = device.devicehub_id
+
+    dict_device = copy.copy(device.__dict__)
+    dict_device.pop('_sa_instance_state')
+    dict_device.pop('id', None)
+    dict_device.pop('devicehub_id', None)
+    dict_device.pop('actions_multiple', None)
+    dict_device.pop('actions_one', None)
+    dict_device.pop('components', None)
+    dict_device.pop('tags', None)
+    dict_device.pop('system_uuid', None)
+    new_device = device.__class__(**dict_device)
+    new_device.devicehub_id = old_devicehub_id
+    device.devicehub_id = None
+    new_device.owner = device.owner
+    db.session.add(new_device)
+
+    placeholder = Placeholder(
+        device=new_device, binding=device, is_abstract=True, owner_id=device.owner_id
+    )
+    db.session.add(placeholder)
+
+    tags = [x for x in device.tags]
+    for tag in tags:
+        tag.device = new_device
+
+    lots = [x for x in device.lots]
+    for lot in lots:
+        for rel_lot in LotDevice.query.filter_by(lot_id=lot.id, device=device):
+            rel_lot.device = new_device
+    return new_device
+
+
+def main():
+    schema = sys.argv[1]
+    app = Devicehub(inventory=schema)
+    app.app_context().push()
+    for device in DataStorage.query.all():
+        if not device.phid():
+            clone_device(device)
+
+    db.session.commit()
+
+
+if __name__ == '__main__':
+    main()