diff --git a/uw_fdsu_theme_resp.theme b/uw_fdsu_theme_resp.theme
index 6d5f425a3b6cf59d910e4b0e266300be6916a3f3..659bf07e47e861c2719226c90db8e752faff9399 100644
--- a/uw_fdsu_theme_resp.theme
+++ b/uw_fdsu_theme_resp.theme
@@ -575,6 +575,17 @@ function uw_fdsu_theme_resp_preprocess_block(&$variables) {
     // to the template variables and set the class to be used
     // to display the admin label.
     if (!in_array($admin_label, $admin_labels_to_exclude)) {
+
+      // ISTWCMS-6062, add publication to reference block admin
+      // labels when in layout builder.
+      if ($admin_label == 'Reference search') {
+        $admin_label = 'Publication reference search';
+      }
+
+      if ($admin_label == 'Reference teaser') {
+        $admin_label = 'Publication reference teaser';
+      }
+
       $variables['admin_label'] = $admin_label;
       $variables['attributes']['class'][] = 'in-layout-builder';
     }