diff --git a/phpBB/styles/prosilver/template/navbar_header.html b/phpBB/styles/prosilver/template/navbar_header.html
index d3b4e30cc0..e7c89b6b28 100644
--- a/phpBB/styles/prosilver/template/navbar_header.html
+++ b/phpBB/styles/prosilver/template/navbar_header.html
@@ -179,19 +179,20 @@
 
 	<ul id="nav-breadcrumbs" class="nav-breadcrumbs linklist navlinks" role="menubar">
 		<!-- DEFINE $MICRODATA = ' itemtype="http://schema.org/ListItem" itemprop="itemListElement" itemscope' -->
+		{% set navlink_position = 1 %}
 		<!-- EVENT overall_header_breadcrumbs_before -->
 		<li class="breadcrumbs" itemscope itemtype="http://schema.org/BreadcrumbList">
 			<!-- IF U_SITE_HOME -->
-				<span class="crumb" {$MICRODATA}><a href="{U_SITE_HOME}" itemprop="url" data-navbar-reference="home"><i class="icon fa-home fa-fw" aria-hidden="true"></i><span itemprop="title">{L_SITE_HOME}</span></a></span>
+				<span class="crumb" {$MICRODATA}><a href="{U_SITE_HOME}" itemtype="https://schema.org/Thing" itemprop="item" data-navbar-reference="home"><i class="icon fa-home fa-fw" aria-hidden="true"></i><span itemprop="name">{L_SITE_HOME}</span></a><meta itemprop="position" content="{{ navlink_position }}{% set navlink_position = navlink_position + 1 %}" /></span>
 			<!-- ENDIF -->
 			<!-- EVENT overall_header_breadcrumb_prepend -->
-				<span class="crumb" {$MICRODATA}><a href="{U_INDEX}" itemprop="url" accesskey="h" data-navbar-reference="index"><!-- IF not U_SITE_HOME --><i class="icon fa-home fa-fw"></i><!-- ENDIF --><span itemprop="title">{L_INDEX}</span></a></span>
+				<span class="crumb" {$MICRODATA}><a href="{U_INDEX}" itemtype="https://schema.org/Thing" itemprop="item" accesskey="h" data-navbar-reference="index"><!-- IF not U_SITE_HOME --><i class="icon fa-home fa-fw"></i><!-- ENDIF --><span itemprop="name">{L_INDEX}</span></a><meta itemprop="position" content="{{ navlink_position }}{% set navlink_position = navlink_position + 1 %}" /></span>
 
 			<!-- BEGIN navlinks -->
 				{% set NAVLINK_NAME = navlinks.BREADCRUMB_NAME | default(navlinks.FORUM_NAME) %}
 				{% set NAVLINK_LINK = navlinks.U_BREADCRUMB | default(navlinks.U_VIEW_FORUM) %}
 				<!-- EVENT overall_header_navlink_prepend -->
-				<span class="crumb" {$MICRODATA}<!-- IF navlinks.MICRODATA --> {navlinks.MICRODATA}<!-- ENDIF -->><a href="{{ NAVLINK_LINK }}" itemprop="url"><span itemprop="title">{{ NAVLINK_NAME }}</span></a></span>
+				<span class="crumb" {$MICRODATA}<!-- IF navlinks.MICRODATA --> {navlinks.MICRODATA}<!-- ENDIF -->><a href="{{ NAVLINK_LINK }}" itemtype="https://schema.org/Thing" itemprop="item"><span itemprop="name">{{ NAVLINK_NAME }}</span></a><meta itemprop="position" content="{{ navlink_position }}{% set navlink_position = navlink_position + 1 %}" /></span>
 				<!-- EVENT overall_header_navlink_append -->
 			<!-- END navlinks -->
 			<!-- EVENT overall_header_breadcrumb_append -->