diff --git a/index.html b/index.html
index 958319933615c7feafcaaf7fada0f9227f0fed4a..98c2c03621afa6d7f9056b56851589114705176a 100644
--- a/index.html
+++ b/index.html
@@ -1,5 +1,5 @@
<!doctype html>
-<html lang="{$Project->getLang()}">
+<html itemscope itemtype="{$Site->getAttribute('meta.itemscope')}" lang="{$Project->getLang()}">
<head>
{template_event name="quiqqer::template-cologne::header::begin" Template=$Template}
<meta name="viewport" content="user-scalable=no, width=device-width, initial-scale=1, maximum-scale=1"/>