diff --git a/htdocs/ticket/class/ticket.class.php b/htdocs/ticket/class/ticket.class.php
index 2aacffefcd1..2a3160b3b67 100644
--- a/htdocs/ticket/class/ticket.class.php
+++ b/htdocs/ticket/class/ticket.class.php
@@ -381,6 +381,11 @@ class Ticket extends CommonObject
 
 		if (isset($this->message)) {
 			$this->message = trim($this->message);
+			if (dol_strlen($this->message) > 65000) {
+				$this->errors[] = 'ErrorFieldTooLong';
+				dol_syslog(get_class($this).'::create error -1 message too long', LOG_ERR);
+				$result = -1;
+			}
 		}
 
 		if (isset($this->fk_statut)) {
@@ -915,6 +920,11 @@ class Ticket extends CommonObject
 
 		if (isset($this->message)) {
 			$this->message = trim($this->message);
+			if (dol_strlen($this->message) > 65000) {
+				$this->errors[] = 'ErrorFieldTooLong';
+				dol_syslog(get_class($this).'::update error -1 message too long', LOG_ERR);
+				return -1;
+			}
 		}
 
 		if (isset($this->fk_statut)) {