diff --git a/web/api/app/Controller/MonitorsController.php b/web/api/app/Controller/MonitorsController.php
index 69799a820..8908955b5 100644
--- a/web/api/app/Controller/MonitorsController.php
+++ b/web/api/app/Controller/MonitorsController.php
@@ -361,6 +361,7 @@ class MonitorsController extends AppController {
     ));
     $monitor = $monitor['Monitor'];
 
+    $daemons = array();
     if ( ! $daemon ) {
       if ( $monitor['Function'] == 'Monitor' ) {
         array_push($daemons, 'zmc');