diff --git a/src/aiida/manage/tests/pytest_fixtures.py b/src/aiida/manage/tests/pytest_fixtures.py
index 6c5d04d3b..8cc44dc60 100644
--- a/src/aiida/manage/tests/pytest_fixtures.py
+++ b/src/aiida/manage/tests/pytest_fixtures.py
@@ -173,7 +173,7 @@ def aiida_instance(
         if configuration.CONFIG is not None:
             reset = True
             current_config = configuration.CONFIG
-            current_config_path = current_config.dirpath
+            current_config_path = pathlib.Path(current_config.dirpath)
             current_profile = configuration.get_profile()
             current_path_variable = os.environ.get(settings.DEFAULT_AIIDA_PATH_VARIABLE, None)