diff --git a/tests/test_bare_conf_files.py b/tests/test_bare_conf_files.py
index d090f50..f55765e 100644
--- a/tests/test_bare_conf_files.py
+++ b/tests/test_bare_conf_files.py
@@ -26,7 +26,7 @@ def state_files():
 
 
 @pytest.fixture
-def xdg_paths():
+def xdg_paths(monkeypatch):
     routes = {
         "XDG_CONFIG_HOME": "",
         "XDG_STATE_HOME": "",
@@ -37,7 +37,7 @@ def xdg_paths():
         tmp = tempfile.TemporaryDirectory(delete=False)
         routes[route] = tmp.name
     for k, v in routes.items():
-        os.environ[k] = v
+        monkeypatch.setenv(k, v)
     env = get_xdg_paths()
     return parse_filepaths(env)
 
diff --git a/tests/test_remote_api.py b/tests/test_remote_api.py
index 1cd4989..e47a4d6 100644
--- a/tests/test_remote_api.py
+++ b/tests/test_remote_api.py
@@ -20,7 +20,6 @@ def test_steam(config):
     key = config["steam_api"]
     assert probe.test_steam_api(key)
 
-
 def test_bm(config):
     key = config["bm_api"]
     assert probe.test_bm_api(key)