diff --git a/swh/vault/cache.py b/swh/vault/cache.py
index c2f67f3..9691817 100644
--- a/swh/vault/cache.py
+++ b/swh/vault/cache.py
@@ -1,47 +1,47 @@
 # Copyright (C) 2016-2017  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
 
 from swh.model import hashutil
-from swh.objstorage import get_objstorage
+from swh.objstorage.factory import get_objstorage
 from swh.objstorage.objstorage import compute_hash
 
 
 class VaultCache:
     """The Vault cache is an object storage that stores Vault bundles.
 
     This implementation computes sha1('<bundle_type>:<object_id>') as the
     internal identifiers used in the underlying objstorage.
     """
 
     def __init__(self, **objstorage):
         self.objstorage = get_objstorage(**objstorage)
 
     def add(self, obj_type, obj_id, content):
         sid = self._get_internal_id(obj_type, obj_id)
         return self.objstorage.add(content, sid)
 
     def get(self, obj_type, obj_id):
         sid = self._get_internal_id(obj_type, obj_id)
         return self.objstorage.get(hashutil.hash_to_bytes(sid))
 
     def delete(self, obj_type, obj_id):
         sid = self._get_internal_id(obj_type, obj_id)
         return self.objstorage.delete(hashutil.hash_to_bytes(sid))
 
     def add_stream(self, obj_type, obj_id, content_iter):
         sid = self._get_internal_id(obj_type, obj_id)
         return self.objstorage.add_stream(content_iter, sid)
 
     def get_stream(self, obj_type, obj_id):
         sid = self._get_internal_id(obj_type, obj_id)
         return self.objstorage.get_stream(hashutil.hash_to_bytes(sid))
 
     def is_cached(self, obj_type, obj_id):
         sid = self._get_internal_id(obj_type, obj_id)
         return hashutil.hash_to_bytes(sid) in self.objstorage
 
     def _get_internal_id(self, obj_type, obj_id):
         obj_id = hashutil.hash_to_hex(obj_id)
         return compute_hash("{}:{}".format(obj_type, obj_id).encode())