diff --git a/src/tests/presale/test_locale.py b/src/tests/presale/test_locale.py
new file mode 100644
index 0000000000..39e50f68a8
--- /dev/null
+++ b/src/tests/presale/test_locale.py
@@ -0,0 +1,11 @@
+from django.test import TestCase
+
+
+class LocaleTest(TestCase):
+
+    def test_set_locale_cookie(self):
+        response = self.client.get('/control/login')
+        assert response['Content-Language'] == 'en'
+        self.client.get('/locale/set?locale=de')
+        assert self.client.get('/')
+        assert response['Content-Language'] == 'de'