diff --git a/app/views/layouts/application.html.haml b/app/views/layouts/application.html.haml
index 70f610ebc..d98973343 100644
--- a/app/views/layouts/application.html.haml
+++ b/app/views/layouts/application.html.haml
@@ -3,7 +3,7 @@
 -#   the COPYRIGHT file.
 
 !!!
-%html
+%html{:lang => I18n.locale.to_s}
   %head
     %title
       = "#{current_user.real_name} | diaspora" if current_user