diff --git a/changelog.md b/changelog.md
index 3abb998..af5ba8f 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,6 +1,11 @@
 Changelog
 =========
 
+0.8.9
+-----
+
+* Bugfix
+
 0.8.8
 -----
 
diff --git a/gas/sites.py b/gas/sites.py
index 2ffb9a7..dea51f9 100644
--- a/gas/sites.py
+++ b/gas/sites.py
@@ -86,7 +86,7 @@ class GASSite:
         for prefix, urls in self._registry['urls'].items():
             if prefix:
                 urlpatterns.append(
-                    re_path(r'^{prefix}/', include(urls)),
+                    re_path(f'^{prefix}/', include(urls)),
                 )
             else:
                 urlpatterns.append(
diff --git a/gas/tests/test_gas_views.py b/gas/tests/test_gas_views.py
new file mode 100644
index 0000000..0e1e4ee
--- /dev/null
+++ b/gas/tests/test_gas_views.py
@@ -0,0 +1,30 @@
+from django.test import TestCase, Client
+from django.urls import reverse
+
+from model_bakery import baker
+
+from gas.gas.core.views import GASLoginView
+
+
+class GASLoginTestCase(TestCase):
+    def test_load(self):
+        client = Client()
+        response = client.get(reverse('gas:login'))
+        self.assertEqual(response.status_code, 200)
+
+
+class IndexTestCase(TestCase):
+    def test_load(self):
+        admin_user = baker.make(
+            'auth.User',
+            username='admin',
+            is_superuser=True,
+        )
+
+        client = Client()
+        response = client.get(reverse('gas:index'))
+        self.assertEqual(response.status_code, 302)
+
+        client.force_login(admin_user)
+        response = client.get(reverse('gas:index'))
+        self.assertEqual(response.status_code, 200)
diff --git a/setup.cfg b/setup.cfg
index f546cc9..0e24c96 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,6 +1,6 @@
 [metadata]
 name = django-gas
-version = 0.8.8
+version = 0.8.9
 description = An alternative to django admin
 long_description = file: readme.md, changelog.md, collaborators.md
 long_description_content_type = text/markdown