diff --git a/htdocs/core/modules/project/mod_project_universal.php b/htdocs/core/modules/project/mod_project_universal.php
index 47fd83842ed..7c20f59da6a 100644
--- a/htdocs/core/modules/project/mod_project_universal.php
+++ b/htdocs/core/modules/project/mod_project_universal.php
@@ -30,6 +30,11 @@ require_once DOL_DOCUMENT_ROOT.'/core/modules/project/modules_project.php';
  */
 class mod_project_universal extends ModeleNumRefProjects
 {
+	/**
+	 * @var DoliDB $db
+	 */
+	public $db;
+	
 	/**
 	 * Dolibarr version of the loaded document
 	 * @var string