diff --git a/htdocs/comm/action/card.php b/htdocs/comm/action/card.php
index 02f52de7388..a27404eab8c 100644
--- a/htdocs/comm/action/card.php
+++ b/htdocs/comm/action/card.php
@@ -534,7 +534,11 @@ if (empty($reshook) && $action == 'update') {
 			$datef = dol_mktime($fulldayevent ? '23' : GETPOST("p2hour", 'int'), $fulldayevent ? '59' : GETPOST("p2min", 'int'), $fulldayevent ? '59' : GETPOST("apsec", 'int'), GETPOST("p2month", 'int'), GETPOST("p2day", 'int'), GETPOST("p2year", 'int'), 'tzuser');
 		}
 
-		$object->type_id     = dol_getIdFromCode($db, GETPOST("actioncode", 'aZ09'), 'c_actioncomm');
+		if($object->code = 'TICKET_MSG_PRIVATE') {
+			$object->type_code = 'TICKET_MSG_PRIVATE';
+		} else {
+			$object->type_id = dol_getIdFromCode($db, GETPOST("actioncode", 'aZ09'), 'c_actioncomm');
+		}
 		$object->label       = GETPOST("label", "alphanohtml");
 		$object->datep       = $datep;
 		$object->datef       = $datef;
@@ -1508,7 +1512,7 @@ if ($id > 0) {
 		if ($backtopage) {
 			print '<input type="hidden" name="backtopage" value="'.($backtopage != '1' ? $backtopage : dol_htmlentities($_SERVER["HTTP_REFERER"])).'">';
 		}
-		if (empty($conf->global->AGENDA_USE_EVENT_TYPE)) {
+		if (empty($conf->global->AGENDA_USE_EVENT_TYPE) && $object->code != "TICKET_MSG_PRIVATE") {
 			print '<input type="hidden" name="actioncode" value="'.$object->type_code.'">';
 		}