diff --git a/tests/settings.py b/tests/settings.py
index 9b57d54..14b3c7b 100644
--- a/tests/settings.py
+++ b/tests/settings.py
@@ -105,6 +105,7 @@ LANGUAGES = (
     ("it", "Italiano"),
     ("pl", "Polski"),
     ("pt-BR", "Português"),
+    ("ru", "Русский"),
     ("tr", "Türk"),
 )
 LANGUAGE_CODE = "en"
diff --git a/tests/test_templatetags.py b/tests/test_templatetags.py
index 4b123a3..8de4b88 100644
--- a/tests/test_templatetags.py
+++ b/tests/test_templatetags.py
@@ -82,6 +82,13 @@ class AdminInterfaceTemplateTagsTestCase(TestCase):
                 "active": False,
                 "activation_url": "/i18n/setlang/?next=/pt-br/admin/",
             },
+            {
+                "code": "ru",
+                "name": "Русский",
+                "default": False,
+                "active": False,
+                "activation_url": "/i18n/setlang/?next=/ru/admin/",
+            },
             {
                 "code": "tr",
                 "name": "Türk",