diff --git a/pandora_console/include/functions_events.php b/pandora_console/include/functions_events.php
index fa8287f406..c5669d808a 100644
--- a/pandora_console/include/functions_events.php
+++ b/pandora_console/include/functions_events.php
@@ -431,7 +431,7 @@ function events_change_status(
         $ack_user = $config['id_user'];
     } else {
         $acl_utimestamp = 0;
-        $ack_user = '';
+        $ack_user = $config['id_user'];
     }
 
     switch ($new_status) {