diff --git a/themes/custom/apigee_kickstart/templates/block/block--page-title-block--breadcrumbs.html.twig b/themes/custom/apigee_kickstart/templates/block/block--page-title-block--breadcrumbs.html.twig
index 58330cb8..f6533369 100644
--- a/themes/custom/apigee_kickstart/templates/block/block--page-title-block--breadcrumbs.html.twig
+++ b/themes/custom/apigee_kickstart/templates/block/block--page-title-block--breadcrumbs.html.twig
@@ -7,7 +7,7 @@
 
 {% embed '@radix/block/block.twig' with {
   html_tag: 'li',
-  utility_classes: [
+  block_utility_classes: [
     'breadcrumb-item',
     'active'
   ]