diff --git a/web/skins/classic/views/js/event.js.php b/web/skins/classic/views/js/event.js.php
index 33e62d7dd..d5d822fcb 100644
--- a/web/skins/classic/views/js/event.js.php
+++ b/web/skins/classic/views/js/event.js.php
@@ -27,7 +27,7 @@ var connKey = '<?php echo $connkey ?>';
 
 var eventData = {
     Id: '<?php echo $event['Id'] ?>',
-    MonitorId: '<?php echo $event{'MonitorId'] ?>',
+    MonitorId: '<?php echo $event['MonitorId'] ?>',
     Width: '<?php echo $event['Width'] ?>',
     Height: '<?php echo $event['Height'] ?>',
     Length: '<?php echo $event['Length'] ?>'