diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index ebd709918..b304e8821 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -18,17 +18,17 @@ class ApplicationController < ActionController::Base
   protected
 
   def set_locale
-    I18n.locale = extract_locale_from_request
-  end
-
-  def extract_locale_from_request
-    get_user_locale || request.env['HTTP_ACCEPT_LANGUAGE'].to_sym || :en
+    I18n.locale = check_locale( get_user_locale || request.env['HTTP_ACCEPT_LANGUAGE'].to_sym )
   end
 
   def get_user_locale
     user_signed_in? ? current_user.language : nil
   end
 
+  def check_locale(locale)
+    User::LANGUAGES.include?(locale.to_s) ? locale : :en
+  end
+
   def get_owner
 #      params['user_id'] && User.find_by_id(params['user_id']) ||
 #      params['group_id'] && Group.find_by_id(params['group_id']) || current_user
diff --git a/app/models/user.rb b/app/models/user.rb
index e0de8317a..fbd14bdb4 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -1,6 +1,7 @@
 class User < ActiveRecord::Base
   ROLES = ['admin']
-  LANGUAGES = [['Russian', 'ru'], ['English', 'en']]
+  LANGUAGES = ['ru', 'en']
+  LANGUAGES_FOR_SELECT = [['Russian', 'ru'], ['English', 'en']]
 
   devise :database_authenticatable, :registerable, :omniauthable, # :token_authenticatable, :encryptable, :timeoutable
          :recoverable, :rememberable, :validatable #, :trackable, :confirmable, :lockable
@@ -29,6 +30,7 @@ class User < ActiveRecord::Base
   validate { errors.add(:uname, :taken) if Group.where('uname LIKE ?', uname).present? }
   validates :ssh_key, :uniqueness => true, :allow_blank => true
   validates :role, :inclusion => {:in => ROLES}, :allow_blank => true
+  validates :language, :inclusion => {:in => LANGUAGES}, :allow_blank => true
 
   attr_accessible :email, :password, :password_confirmation, :remember_me, :login, :name, :ssh_key, :uname, :language
   attr_readonly :uname
diff --git a/app/views/devise/registrations/edit.html.haml b/app/views/devise/registrations/edit.html.haml
index fc441a6c5..b983f1836 100644
--- a/app/views/devise/registrations/edit.html.haml
+++ b/app/views/devise/registrations/edit.html.haml
@@ -43,7 +43,7 @@
         .left
           = f.label :language, :class => "label"
         .right
-          = f.select :language, User::LANGUAGES
+          = f.select :language, User::LANGUAGES_FOR_SELECT
 
       / .group.wat-cf
       /   .left
diff --git a/app/views/devise/registrations/new.html.haml b/app/views/devise/registrations/new.html.haml
index 5cc31a6c8..5c9d0de5d 100644
--- a/app/views/devise/registrations/new.html.haml
+++ b/app/views/devise/registrations/new.html.haml
@@ -41,7 +41,7 @@
         .left
           = f.label :language, :class => "label"
         .right
-          = f.select :language, User::LANGUAGES
+          = f.select :language, User::LANGUAGES_FOR_SELECT
 
       .group.navform.wat-cf
         %button.button{ :type => "submit" }