diff --git a/swh/provenance/tests/test_provenance_storage.py b/swh/provenance/tests/test_provenance_storage.py
--- a/swh/provenance/tests/test_provenance_storage.py
+++ b/swh/provenance/tests/test_provenance_storage.py
@@ -431,7 +431,7 @@
         } == set(provenance_storage.content_find_all(cnt))
 
 
-def test_types(provenance_storage: ProvenanceInterface) -> None:
+def test_types(provenance_storage: ProvenanceStorageInterface) -> None:
     """Checks all methods of ProvenanceStorageInterface are implemented by this
     backend, and that they have the same signature."""
     # Create an instance of the protocol (which cannot be instantiated