diff --git a/class/actions_cdav.class.php b/class/actions_cdav.class.php
index b7d30cc..356071b 100644
--- a/class/actions_cdav.class.php
+++ b/class/actions_cdav.class.php
@@ -382,7 +382,7 @@ public function formObjectOptions($parameters, &$object, &$action)
 		// echo "formObjectOptions action: ";
 		// print_r($action);
 
-		if ($parameters['currentcontext'] == 'projecttaskscard' && $parameters['id'] > 0) {
+		if ($parameters['currentcontext'] == 'projecttaskscard' && ! empty($parameters['id'])) {
 			$sql = 'SELECT pt.rowid, us.color, us.login, us.firstname, us.lastname
 				FROM ' . MAIN_DB_PREFIX . 'projet_task AS pt
 				LEFT JOIN ' . MAIN_DB_PREFIX . 'element_contact as ec ON (ec.element_id=pt.rowid)
diff --git a/core/modules/modCDav.class.php b/core/modules/modCDav.class.php
index e5aab0a..1d23ca4 100644
--- a/core/modules/modCDav.class.php
+++ b/core/modules/modCDav.class.php
@@ -57,6 +57,8 @@ function __construct($db)
 		$this->name = preg_replace('/^mod/i','',get_class($this));
 		// Module description, used if translation string 'ModuleXXXDesc' not found (where XXX is value of numeric property 'numero' of module)
 		$this->description = "Allows caldav and carddav clients to sync with Dolibarr.";
+		$this->editor_name = 'BEFOX SARL';
+		$this->editor_url = 'https://befox.fr/';
 		// Possible values for version are: 'development', 'experimental', 'dolibarr' or version
 		$this->version = '3.1.3';
 		// Key used in llx_const table to save module status enabled/disabled (where CDAV is value of property name of module in uppercase)