diff --git a/swh/scrubber/__init__.py b/swh/scrubber/__init__.py
--- a/swh/scrubber/__init__.py
+++ b/swh/scrubber/__init__.py
@@ -12,8 +12,10 @@
 
 
 def get_scrubber_db(cls: str, **kwargs) -> ScrubberDb:
-    if cls != "local":
-        raise ValueError(f"Unknown scrubber db class '{cls}', use 'local' instead.")
+    if cls not in ("local", "postgresql"):
+        raise ValueError(
+            f"Unknown scrubber db class '{cls}', use 'postgresql' instead."
+        )
 
     from .db import ScrubberDb
 
diff --git a/swh/scrubber/tests/test_cli.py b/swh/scrubber/tests/test_cli.py
--- a/swh/scrubber/tests/test_cli.py
+++ b/swh/scrubber/tests/test_cli.py
@@ -25,7 +25,7 @@
     runner = CliRunner()
 
     config = {
-        "scrubber_db": {"cls": "local", "db": scrubber_db.conn.dsn},
+        "scrubber_db": {"cls": "postgresql", "db": scrubber_db.conn.dsn},
         "graph": {"url": "http://graph.example.org:5009/"},
     }
     if storage:
@@ -72,7 +72,7 @@
     assert result.exit_code == 0, result.output
     assert result.output == ""
 
-    get_scrubber_db.assert_called_once_with(cls="local", db=scrubber_db.conn.dsn)
+    get_scrubber_db.assert_called_once_with(cls="postgresql", db=scrubber_db.conn.dsn)
     StorageChecker.assert_called_once_with(
         db=scrubber_db,
         storage=StorageChecker.mock_calls[0][2]["storage"],
@@ -103,7 +103,7 @@
     assert result.exit_code == 0, result.output
     assert result.output == ""
 
-    get_scrubber_db.assert_called_once_with(cls="local", db=scrubber_db.conn.dsn)
+    get_scrubber_db.assert_called_once_with(cls="postgresql", db=scrubber_db.conn.dsn)
     JournalChecker.assert_called_once_with(
         db=scrubber_db,
         journal_client={
@@ -129,7 +129,7 @@
     assert result.exit_code == 0, result.output
     assert result.output == ""
 
-    get_scrubber_db.assert_called_once_with(cls="local", db=scrubber_db.conn.dsn)
+    get_scrubber_db.assert_called_once_with(cls="postgresql", db=scrubber_db.conn.dsn)
     OriginLocator.assert_called_once_with(
         db=scrubber_db,
         storage=OriginLocator.mock_calls[0][2]["storage"],
@@ -150,7 +150,7 @@
     assert result.exit_code == 0, result.output
     assert result.output == ""
 
-    get_scrubber_db.assert_called_once_with(cls="local", db=scrubber_db.conn.dsn)
+    get_scrubber_db.assert_called_once_with(cls="postgresql", db=scrubber_db.conn.dsn)
     Fixer.assert_called_once_with(
         db=scrubber_db,
         start_object=CoreSWHID.from_string("swh:1:cnt:" + "00" * 20),