diff --git a/core/lib/point/core/user.py b/core/lib/point/core/user.py
index 609cf45..8220307 100644
--- a/core/lib/point/core/user.py
+++ b/core/lib/point/core/user.py
@@ -311,7 +311,7 @@ def get_active_account(self, type=None):
     _profile_table = 'users.profile'
     _profile = {
         'private': {'type': 'bool', 'default': False},
-        'lang': {'type': 'str', 're': re.compile(r'^[a-z]{2}$'),
+        'lang': {'type': 'str', 're': re.compile(r'^(?:by|en|ru|uk)$'),
                  'default':settings.lang},
         'tz': {'type': 'int', 'default': settings.timezone},
         'deny_anonymous': {'type': 'bool', 'default': False}