diff --git a/setup.cfg b/setup.cfg
index e615e49..862d7c3 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -8,8 +8,7 @@ profile = black
 multi_line_output = 3
 
 [tool:pytest]
-addopts = --tb=short
-DJANGO_SETTINGS_MODULE = takahe.settings.testing
+addopts = --tb=short --ds=takahe.settings.testing
 filterwarnings =
     ignore:There is no current event loop
 
diff --git a/takahe/settings/testing.py b/takahe/settings/testing.py
index 7dffa2a..c0af28b 100644
--- a/takahe/settings/testing.py
+++ b/takahe/settings/testing.py
@@ -4,3 +4,5 @@ from .base import *  # noqa
 SECRET_KEY = "testing_secret"
 
 IN_TESTS = True
+
+MAIN_DOMAIN = "example.com"