diff --git a/src/Entity/User.php b/src/Entity/User.php
index 9de20d0..578350d 100644
--- a/src/Entity/User.php
+++ b/src/Entity/User.php
@@ -22,7 +22,7 @@ class User {
     public ? string $lastName;
 
     /**
-     * @Field("size" => 150)
+     * @Field("size" => 255)
      */
     public string $email;
 
diff --git a/src/Lib/Authenticate.php b/src/Lib/Authenticate.php
index 45e2b67..f38aaee 100644
--- a/src/Lib/Authenticate.php
+++ b/src/Lib/Authenticate.php
@@ -35,8 +35,8 @@ class Authenticate {
 
     public function rememberMe(\Ulmus\Repository $repository) : ? User
     {
-        $logUser = function(int $id) use ($repository) {
-            if ( null === ( $user = $repository->loadFromPk($id) ) ) {
+        $logUser = function(? int $id) use ($repository) {
+            if ( $id === null || null === ( $user = $repository->loadFromPk($id) ) ) {
                 throw new \Exception("User not found.");
             }