diff --git a/server/model/monitor.js b/server/model/monitor.js
index 741284f1e..7f9185be2 100644
--- a/server/model/monitor.js
+++ b/server/model/monitor.js
@@ -1608,6 +1608,24 @@ class Monitor extends BeanModel {
         };
     }
 
+    /**
+     * Gets all active monitors
+     * @returns {Promise<Bean[]>} Active Monitors
+     */
+    static async getAllActiveMonitors() {
+        return R.convertToBeans("monitor", await R.getAll(`
+            WITH RECURSIVE MonitorHierarchy AS (
+				SELECT * FROM monitor
+				WHERE parent IS NULL AND active = 1
+				UNION ALL
+				SELECT m.* FROM monitor m
+				INNER JOIN MonitorHierarchy mh ON m.parent = mh.id
+				WHERE m.active = 1
+			)
+			SELECT * FROM MonitorHierarchy;
+        `));
+    }
+
     /**
      * Gets Parent of the monitor
      * @param {number} monitorID ID of monitor to get
diff --git a/server/server.js b/server/server.js
index 782c47f39..8dba73a1e 100644
--- a/server/server.js
+++ b/server/server.js
@@ -1810,8 +1810,7 @@ async function pauseMonitor(userID, monitorID) {
  * @returns {Promise<void>}
  */
 async function startMonitors() {
-    let list = await R.find("monitor", " active = 1 ");
-    list = list.filter((monitor) => Monitor.isActive(monitor.id, monitor.active));
+    let list = await Monitor.getAllActiveMonitors();
 
     for (let monitor of list) {
         server.monitorList[monitor.id] = monitor;