diff --git a/pandora_console/include/ajax/events.php b/pandora_console/include/ajax/events.php
index 0ac931aef1..4b5bffa2b4 100644
--- a/pandora_console/include/ajax/events.php
+++ b/pandora_console/include/ajax/events.php
@@ -1090,7 +1090,7 @@ if ($dialogue_event_response) {
 if ($add_comment) {
     $aviability_comment = true;
     $comment = get_parameter('comment');
-    if (preg_match('<script>', io_safe_output($comment))) {
+    if (preg_match('/script/i', io_safe_output($comment))) {
         $aviability_comment = false;
         $return = false;
     }