diff --git a/src/pobsync_backend/tests/test_django_config_source.py b/src/pobsync_backend/tests/test_django_config_source.py
index beb897b..ce46490 100644
--- a/src/pobsync_backend/tests/test_django_config_source.py
+++ b/src/pobsync_backend/tests/test_django_config_source.py
@@ -133,7 +133,8 @@ class DjangoConfigSourceTests(TestCase):
             )
             HostConfig.objects.create(host="web-01", address="web-01.example.test")
 
-            cfg = DjangoConfigSource().effective_config_for_host("web-01")
+            with override_settings(POBSYNC_HOME=str(Path(tmp) / "home")):
+                cfg = DjangoConfigSource().effective_config_for_host("web-01")
 
         self.assertIn(f"-oIdentityFile={identity_file}", cfg["ssh"]["options"])
         self.assertEqual(cfg["ssh_credential"]["storage"], "filesystem")