diff --git a/airflow/www/templates/airflow/cluster_activity.html b/airflow/www/templates/airflow/cluster_activity.html
index 7d12287e6680c..0f99b186955a9 100644
--- a/airflow/www/templates/airflow/cluster_activity.html
+++ b/airflow/www/templates/airflow/cluster_activity.html
@@ -43,7 +43,7 @@
   <script>
     const stateColors = {{ state_color_mapping|tojson }};
     const autoRefreshInterval = {{ auto_refresh_interval }};
-    const standaloneDagProcessor = {{ standalone_dag_processor }} === 'True' ;
+    const standaloneDagProcessor = {{ standalone_dag_processor|tojson }} === true ;
   </script>
   <script src="{{ url_for_asset('clusterActivity.js') }}"></script>
 {% endblock %}