diff --git a/phpBB/styles/prosilver/template/overall_header.html b/phpBB/styles/prosilver/template/overall_header.html
index 0900222d09..291b67812b 100644
--- a/phpBB/styles/prosilver/template/overall_header.html
+++ b/phpBB/styles/prosilver/template/overall_header.html
@@ -120,7 +120,8 @@
 			<div class="inner">
 
 			<ul class="linklist navlinks">
-				<li class="icon-home"><!-- IF U_SITE_HOME --><a href="{U_SITE_HOME}">{L_SITE_HOME}</a> <strong>&#8249;</strong> <!-- ENDIF --><a href="{U_INDEX}" accesskey="h">{L_INDEX}</a> <!-- BEGIN navlinks --> <strong>&#8249;</strong> <a href="{navlinks.U_VIEW_FORUM}">{navlinks.FORUM_NAME}</a><!-- END navlinks --></li>
+				<!-- DEFINE $MICRODATA = ' itemtype="http://data-vocabulary.org/Breadcrumb" itemscope=""' -->
+				<li class="icon-home"><!-- IF U_SITE_HOME --><a href="{U_SITE_HOME}"{$MICRODATA}>{L_SITE_HOME}</a> <strong>&#8249;</strong> <!-- ENDIF --><a href="{U_INDEX}" accesskey="h"{$MICRODATA}>{L_INDEX}</a> <!-- BEGIN navlinks --> <strong>&#8249;</strong> <a href="{navlinks.U_VIEW_FORUM}"{$MICRODATA}>{navlinks.FORUM_NAME}</a><!-- END navlinks --></li>
 
 				<!-- IF U_EMAIL_TOPIC --><li class="rightside"><a href="{U_EMAIL_TOPIC}" title="{L_EMAIL_TOPIC}" class="sendemail">{L_EMAIL_TOPIC}</a></li><!-- ENDIF -->
 				<!-- IF U_EMAIL_PM --><li class="rightside"><a href="{U_EMAIL_PM}" title="{L_EMAIL_PM}" class="sendemail">{L_EMAIL_PM}</a></li><!-- ENDIF -->