diff --git a/Gemfile b/Gemfile
index d285b9a9..78211c86 100644
--- a/Gemfile
+++ b/Gemfile
@@ -39,6 +39,7 @@ gem 'fog'
 gem 'fog-aws'
 gem 'momentjs-rails', '>= 2.9.0'
 gem 'bootstrap3-datetimepicker-rails', '~> 4.7.14'
+gem 'http_accept_language'
 
 gem 'ruby-progressbar'
 
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index aae3e36e..09191790 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -14,6 +14,8 @@ class ApplicationController < ActionController::Base
         I18n.locale = current_user.locale
       elsif not cookies[:hl].nil?
         I18n.locale = cookies[:hl]
+      elsif not http_accept_language.user_preferred_languages.length > 0
+        I18n.locale = http_accept_language.compatible_language_from(I18n.available_locales) or "en"
       end
     else
       I18n.locale = params[:hl]