diff --git a/tests/smp_test.py b/tests/smp_test.py
index 1f461cab..89b6c882 100644
--- a/tests/smp_test.py
+++ b/tests/smp_test.py
@@ -35,7 +35,7 @@ from typing import Optional, Any
 # pylint: disable=invalid-name
 # -----------------------------------------------------------------------------
 @pytest.fixture(
-    scope="session", params=["bumble.crypto._builtin", "bumble.crypto._cryptography"]
+    scope="session", params=["bumble.crypto.builtin", "bumble.crypto.cryptography"]
 )
 def crypto_backend(request):
     backend = pytest.importorskip(request.param)