diff --git a/wagtail/admin/templates/wagtailadmin/home/locked_pages.html b/wagtail/admin/templates/wagtailadmin/home/locked_pages.html
index 362f6314f9..ef48a773c4 100644
--- a/wagtail/admin/templates/wagtailadmin/home/locked_pages.html
+++ b/wagtail/admin/templates/wagtailadmin/home/locked_pages.html
@@ -31,7 +31,7 @@
                             </div>
                             <ul class="actions">
                                 {% if can_remove_locks %}
-                                    <li><button data-action-lock-unlock="{% url 'wagtailadmin_pages:unlock' page.id %}" class="button button-small button-secondary">{% trans "Unlock" %}</button></li>
+                                    <li><button data-action-lock-unlock data-url="{% url 'wagtailadmin_pages:unlock' page.id %}" class="button button-small button-secondary">{% trans "Unlock" %}</button></li>
                                 {% endif %}
                                 <li><a href="{% url 'wagtailadmin_pages:edit' page.id %}" class="button button-small button-secondary">{% trans "Edit" %}</a></li>
                                 {% if page.has_unpublished_changes and page.is_previewable %}
@@ -55,6 +55,6 @@
     {% endpanel %}
     <script src="{% versioned_static 'wagtailadmin/js/lock-unlock-action.js' %}"></script>
     <script>
-        document.addEventListener('DOMContentLoaded', LockUnlockAction('{{ csrf_token|escapejs }}', '{% url 'wagtailadmin_home' %}'));
+        document.addEventListener('DOMContentLoaded', () => LockUnlockAction('{{ csrf_token|escapejs }}', '{% url 'wagtailadmin_home' %}'));
     </script>
 {% endif %}
diff --git a/wagtail/admin/templates/wagtailadmin/home/workflow_pages_to_moderate.html b/wagtail/admin/templates/wagtailadmin/home/workflow_pages_to_moderate.html
index 34b2018bdc..5a3b84b295 100644
--- a/wagtail/admin/templates/wagtailadmin/home/workflow_pages_to_moderate.html
+++ b/wagtail/admin/templates/wagtailadmin/home/workflow_pages_to_moderate.html
@@ -84,7 +84,7 @@
     <script src="{% versioned_static 'wagtailadmin/js/workflow-action.js' %}"></script>
     <script src="{% versioned_static 'wagtailadmin/js/vendor/bootstrap-tooltip.js' %}"></script>
     <script>
-        document.addEventListener('DOMContentLoaded', ActivateWorkflowActionsForDashboard('{{ csrf_token|escapejs }}'));
+        document.addEventListener('DOMContentLoaded', () => ActivateWorkflowActionsForDashboard('{{ csrf_token|escapejs }}'));
         /* Tooltips used by the workflow status component */
         $(function() {
             $('[data-wagtail-tooltip]').tooltip({
diff --git a/wagtail/admin/templates/wagtailadmin/pages/index.html b/wagtail/admin/templates/wagtailadmin/pages/index.html
index b0b73e1c73..0905574581 100644
--- a/wagtail/admin/templates/wagtailadmin/pages/index.html
+++ b/wagtail/admin/templates/wagtailadmin/pages/index.html
@@ -25,6 +25,10 @@
 
 {% block extra_js %}
     {{ block.super }}
+    <script src="{% versioned_static 'wagtailadmin/js/lock-unlock-action.js' %}"></script>
+    <script>
+        document.addEventListener('DOMContentLoaded', () => LockUnlockAction('{{ csrf_token|escapejs }}', '{% url 'wagtailadmin_home' %}'));
+    </script>
 
     {% comment %} modal-workflow is required by the view restrictions interface {% endcomment %}
     <script src="{% versioned_static 'wagtailadmin/js/modal-workflow.js' %}"></script>