diff --git a/pandora_console/include/lib/Dashboard/Widgets/EventCardboard.php b/pandora_console/include/lib/Dashboard/Widgets/EventCardboard.php
index 8d89f573bd..fa2f8bb023 100644
--- a/pandora_console/include/lib/Dashboard/Widgets/EventCardboard.php
+++ b/pandora_console/include/lib/Dashboard/Widgets/EventCardboard.php
@@ -530,7 +530,7 @@ class EventCardboard extends Widget
             );
         }
 
-        $output .= '<table class="w100p h100p table-border-0"><tbody><tr>';
+        $output .= '<table class="w100p h100p table-border-0 event-cardboard-widget"><tbody><tr>';
 
         $width_td = (100 / count(explode(',', $severity)));