diff --git a/ihatemoney/default_settings.py b/ihatemoney/default_settings.py
index a3cf4077..709c36d0 100644
--- a/ihatemoney/default_settings.py
+++ b/ihatemoney/default_settings.py
@@ -24,4 +24,5 @@ SUPPORTED_LANGUAGES = [
     "tr",
     "uk",
     "zh_Hans",
+    "ja",
 ]