diff --git a/page_manager_ui/js/page-manager-ui-page-variants.js b/page_manager_ui/js/page-manager-ui-page-variants.js
index 32f733b..3d579fb 100644
--- a/page_manager_ui/js/page-manager-ui-page-variants.js
+++ b/page_manager_ui/js/page-manager-ui-page-variants.js
@@ -6,11 +6,13 @@
   Drupal.behaviors.pageManagerVariantsAdmin = {
     attach: function (context, settings) {
       // When the page loads find the Current Variant and activate its label and content.
-      $('.current_variant').parents('.page__section__2').addClass('active');
-      $('.current_variant').parents('.page__section__2').siblings('.page__section__label').addClass('active current_variant');
+      $('.current_variant', context).once('page-manager-current-variant').each(function() {
+        $(this).parents('.page__section__2').addClass('active');
+        $(this).parents('.page__section__2').siblings('.page__section__label').addClass('active current_variant');
+      });
 
       // When the label is clicked show the variant settings.
-      $('.page__section_item__1 > .page__section__label').click(function() {
+      $('.page__section_item__1 > .page__section__label', context).once('page-manager-settings').click(function() {
         if ($(this).hasClass('active')) {
           $(this).removeClass('active');
           $(this).siblings('.page__section__2').removeClass('active');
diff --git a/page_manager_ui/page_manager_ui.libraries.yml b/page_manager_ui/page_manager_ui.libraries.yml
index 96130ef..e717845 100644
--- a/page_manager_ui/page_manager_ui.libraries.yml
+++ b/page_manager_ui/page_manager_ui.libraries.yml
@@ -12,3 +12,4 @@ page_variants:
     js/page-manager-ui-page-variants.js: {}
   dependencies:
     - core/jquery
+    - core/jquery.once