diff --git a/core/modules/layout/layout.admin.inc b/core/modules/layout/layout.admin.inc
index a6b1144..3ba2f78 100644
--- a/core/modules/layout/layout.admin.inc
+++ b/core/modules/layout/layout.admin.inc
@@ -55,7 +55,7 @@ function layout_page_view($key) {
   $instance = layout_manager()->createInstance($key, array());
   $regions = $instance->getRegions();
   foreach ($regions as $region => $info) {
-    $regions[$region] = '<div class="layout-region-demonstration">' . $info['label'] . '</div>';
+    $regions[$region] = '<div class="layout-region-demonstration">' . check_plain($info['label']) . '</div>';
   }
   $build['demonstration'] = array(
     '#type' => 'markup',