diff --git a/swh/deposit/signals.py b/swh/deposit/signals.py
index 5f6f7286..1f707a35 100644
--- a/swh/deposit/signals.py
+++ b/swh/deposit/signals.py
@@ -1,73 +1,73 @@
 # Copyright (C) 2017  The Software Heritage developers
 # See the AUTHORS file at the top-level directory of this distribution
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
 """Module in charge of defining some uncoupled actions on deposit.
 
    Typically, checking that the archives deposited are ok are not
    directly testing in the request/answer to avoid too long
    computations.
 
    So this is done in the deposit_on_status_ready_for_check callback.
 
 """
 
 import datetime
 
 from django.db.models.signals import post_save
 from django.dispatch import receiver
 
-from .models import DepositRequest
+from .models import Deposit
 from .config import SWHDefaultConfig
 
 
-@receiver(post_save, sender=DepositRequest)
+@receiver(post_save, sender=Deposit)
 def deposit_on_status_ready_for_check(sender, instance, created, raw, using,
                                       update_fields, **kwargs):
     """Check the status is ready for check.
     If so, try and check the associated archives.
     If not, move along.
 
     When
         Triggered when a deposit is saved.
 
     Args:
         sender (DepositRequest): The model class
         instance (DepositRequest): The actual instance being saved
         created (bool): True if a new record was created
         raw (bool): True if the model is saved exactly as presented
                     (i.e. when loading a fixture). One should not
                     query/modify other records in the database as the
                     database might not be in a consistent state yet
         using: The database alias being used
         update_fields: The set of fields to update as passed to
                        Model.save(), or None if update_fields wasn’t
                        passed to save()
 
     """
     default_config = SWHDefaultConfig()
     if not default_config.config['checks']:
         return
 
     # Schedule oneshot task for checking archives
     from swh.deposit.config import PRIVATE_CHECK_DEPOSIT
     from django.core.urlresolvers import reverse
 
     args = [instance.deposit.collection.name, instance.deposit.id]
     archive_check_url = reverse(
         PRIVATE_CHECK_DEPOSIT, args=args)
 
     task = {
         'policy': 'oneshot',
         'type': 'swh-deposit-archive-checks',
         'next_run': datetime.datetime.now(tz=datetime.timezone.utc),
         'arguments': {
             'args': [],
             'kwargs': {
                 'archive_check_url': archive_check_url,
             },
         }
     }
 
     default_config.scheduler.create_tasks([task])