diff --git a/tests/conftest.py b/tests/conftest.py
index 0985c0ce706fc01e86c5cdb0e8afdf83a60842cc..cf93428595cf2955ec7c81925f5e5c5d241df52a 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -6,10 +6,12 @@ from . import testutil
 
 @pytest.fixture(scope='session', autouse=True)
 def clean_environment(tmpdir_factory):
+    config_path_s = str(testutil.test_path('userconfig'))
     os.environ.pop('RTAUTH', None)
     os.environ.pop('RTPASSWD', None)
     os.environ.pop('RTSERVER', None)
     os.environ.pop('RTUSER', None)
     os.environ['CONSERVANCY_REPOSITORY'] = str(testutil.test_path('repository'))
-    os.environ['HOME'] = str(testutil.test_path('userconfig'))
+    os.environ['HOME'] = config_path_s
     os.environ['XDG_CACHE_HOME'] = str(tmpdir_factory.mktemp('.cache'))
+    os.environ['XDG_CONFIG_HOME'] = config_path_s