diff --git a/app/class/Controllerconnect.php b/app/class/Controllerconnect.php
index ea068b28..311e2766 100644
--- a/app/class/Controllerconnect.php
+++ b/app/class/Controllerconnect.php
@@ -60,7 +60,7 @@ protected function login(): void
                 return;
             }
 
-            if (Config::isldap()) {
+            if ($this->user->isldap()) {
                 // use ldap for password
                 try {
                     $ldap = new Modelldap(Config::ldapserver(), Config::ldaptree(), Config::ldapu());
diff --git a/app/class/User.php b/app/class/User.php
index 0d6e3d6a..dfe78638 100644
--- a/app/class/User.php
+++ b/app/class/User.php
@@ -11,7 +11,7 @@ class User extends Item
     protected string $id = '';
     protected int $level = 0;
     protected string $signature = '';
-    protected ?string $password;
+    protected ?string $password = null;
     protected bool $passwordhashed = false;
 
     /** @var string $name Displayed name */
@@ -63,6 +63,15 @@ public function __construct($datas = [])
         $this->hydrate($datas);
     }
 
+    /**
+     * Indicate if User is authenticated using LDAP.
+     * It is if password is set to null.
+     */
+    public function isldap(): bool
+    {
+        return (is_null($this->password));
+    }
+
     // _________________________ G E T _______________________
 
     public function id()