diff --git a/swh/dataset/test/test_orc.py b/swh/dataset/test/test_orc.py
index 7318953feab95dd863fe2d1d1971de59745917ed..590f655fca1fdbcde44ad518e5e4b9a67280ab16 100644
--- a/swh/dataset/test/test_orc.py
+++ b/swh/dataset/test/test_orc.py
@@ -327,7 +327,7 @@ def test_export_content_with_data(monkeypatch, tmpdir):
     obj_type = "content"
     objstorage = get_objstorage("memory")
     for content in TEST_OBJECTS[obj_type]:
-        objstorage.add(content.data)
+        objstorage.add(content=content.data, obj_id=content.sha1)
 
     def get_objstorage_mock(**kw):
         if kw.get("cls") == "mock":