diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index 0a351f08ff3..63d0eb475e5 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -43,6 +43,7 @@
  */
 abstract class CommonObject
 {
+	const TRIGGER_PREFIX = ''; // to be overriden in child class implementations, i.e. 'BILL', 'TASK', 'PROPAL', etc.
 	/**
 	 * @var DoliDb		Database handler (result of a new DoliDB)
 	 */
@@ -5618,7 +5619,10 @@ abstract class CommonObject
 	{
 		// phpcs:enable
 		global $langs, $conf;
-
+		if (!empty(self::TRIGGER_PREFIX) && strpos($triggerName, self::TRIGGER_PREFIX . '_') !== 0) {
+			dol_print_error('', 'The trigger "' . $triggerName . '" does not start with "' . self::TRIGGER_PREFIX . '_" as required.');
+			exit;
+		}
 		if (!is_object($langs)) {	// If lang was not defined, we set it. It is required by run_triggers.
 			include_once DOL_DOCUMENT_ROOT.'/core/class/translate.class.php';
 			$langs = new Translate('', $conf);