diff --git a/htdocs/core/modules/DolibarrModules.class.php b/htdocs/core/modules/DolibarrModules.class.php
index cc9fd5f1ca52d..57c2eb780f00b 100644
--- a/htdocs/core/modules/DolibarrModules.class.php
+++ b/htdocs/core/modules/DolibarrModules.class.php
@@ -1609,6 +1609,10 @@ public function insert_cronjobs()
 
 		global $conf, $user;
 
+		if (empty($user)) {
+			$user = new User($this->db);
+		}
+
 		$err = 0;
 
 		if (is_array($this->cronjobs)) {