diff --git a/taiga/locale/api.py b/taiga/locale/api.py
index 0e4d9d91..9a35be0b 100644
--- a/taiga/locale/api.py
+++ b/taiga/locale/api.py
@@ -26,5 +26,5 @@ class LocalesViewSet(ReadOnlyListViewSet):
     permission_classes = (permissions.LocalesPermission,)
 
     def list(self, request, *args, **kwargs):
-        locales = [{"code": c, "name": n} for c, n in settings.LANGUAGES]
+        locales = [{"code": c, "name": n, "bidi": c in settings.LANGUAGES_BIDI} for c, n in settings.LANGUAGES]
         return response.Ok(locales)