diff --git a/themes/luci-theme-bootstrap/luasrc/view/themes/bootstrap/header.htm b/themes/luci-theme-bootstrap/luasrc/view/themes/bootstrap/header.htm
index 3fc5359493..9ea1ff2281 100644
--- a/themes/luci-theme-bootstrap/luasrc/view/themes/bootstrap/header.htm
+++ b/themes/luci-theme-bootstrap/luasrc/view/themes/bootstrap/header.htm
@@ -171,7 +171,7 @@
 		<script src="<%=resource%>/xhr.js"></script>
 	</head>
 
-	<body class="lang_<%=luci.i18n.context.lang%> <%- if node then %><%= striptags( node.title ) %><%- end %>">
+	<body class="lang_<%=luci.i18n.context.lang%> <% if node then %><%= striptags( node.title ) %><%- end %>" data-page="<%= table.concat(disp.context.requestpath, "-") %>">
 		<header>
 			<div class="fill">
 				<div class="container">
diff --git a/themes/luci-theme-freifunk-generic/luasrc/view/themes/freifunk-generic/header.htm b/themes/luci-theme-freifunk-generic/luasrc/view/themes/freifunk-generic/header.htm
index 4a1c7b6440..5b6491a952 100644
--- a/themes/luci-theme-freifunk-generic/luasrc/view/themes/freifunk-generic/header.htm
+++ b/themes/luci-theme-freifunk-generic/luasrc/view/themes/freifunk-generic/header.htm
@@ -87,7 +87,7 @@
 <title><%=striptags( (boardinfo.hostname or "?") .. ( (node and node.title) and ' - ' .. translate(tostring(node.title)) or '')) %> - LuCI</title>
 </head>
 
-<body class="lang_<%=luci.i18n.context.lang%>">
+<body class="lang_<%=luci.i18n.context.lang%>" data-page="<%= table.concat(disp.context.requestpath, "-") %>">
 
 <div class="wrapper">
 
diff --git a/themes/luci-theme-material/luasrc/view/themes/material/header.htm b/themes/luci-theme-material/luasrc/view/themes/material/header.htm
index 6d1e6efb45..737b6dbc65 100644
--- a/themes/luci-theme-material/luasrc/view/themes/material/header.htm
+++ b/themes/luci-theme-material/luasrc/view/themes/material/header.htm
@@ -210,7 +210,7 @@
 	<script src="<%=resource%>/cbi.js"></script>
 	<script src="<%=resource%>/xhr.js"></script>
 </head>
-<body class="lang_<%=luci.i18n.context.lang%> <%- if node then %><%= striptags( node.title ) %><%- end %> <% if luci.dispatcher.context.authsession then %>logged-in<% end %>">
+<body class="lang_<%=luci.i18n.context.lang%> <% if node then %><%= striptags( node.title ) %><% end %> <% if luci.dispatcher.context.authsession then %>logged-in<% end %>" data-page="<%= table.concat(disp.context.requestpath, "-") %>">
 <header>
 	<div class="fill">
 		<div class="container">
diff --git a/themes/luci-theme-openwrt/luasrc/view/themes/openwrt.org/header.htm b/themes/luci-theme-openwrt/luasrc/view/themes/openwrt.org/header.htm
index 1d2161168b..873d4d948e 100644
--- a/themes/luci-theme-openwrt/luasrc/view/themes/openwrt.org/header.htm
+++ b/themes/luci-theme-openwrt/luasrc/view/themes/openwrt.org/header.htm
@@ -205,7 +205,7 @@
 //]]></script>
 <title><%=striptags( (boardinfo.hostname or "?") .. ( (node and node.title) and ' - ' .. translate(node.title) or '')) %> - LuCI</title>
 </head>
-<body class="lang_<%=luci.i18n.context.lang%>">
+<body class="lang_<%=luci.i18n.context.lang%>" data-page="<%= table.concat(disp.context.requestpath, "-") %>">
 
 <p class="skiplink">
 <span id="skiplink1"><a href="#navigation"><%:Skip to navigation%></a></span>
