diff --git a/src/Bundle/ChillMainBundle/Entity/User.php b/src/Bundle/ChillMainBundle/Entity/User.php
index 73fc45bbe..d3c18fe64 100644
--- a/src/Bundle/ChillMainBundle/Entity/User.php
+++ b/src/Bundle/ChillMainBundle/Entity/User.php
@@ -33,22 +33,18 @@ use function in_array;
 class User implements AdvancedUserInterface
 {
     /**
-     * @var int
-     *
      * @ORM\Id
      * @ORM\Column(name="id", type="integer")
      * @ORM\GeneratedValue(strategy="AUTO")
      */
-    protected $id;
+    protected ?int $id = null;
 
     /**
      * Array where SAML attributes's data are stored.
      *
-     * @var array
-     *
      * @ORM\Column(type="json", nullable=true)
      */
-    private $attributes;
+    private array $attributes;
 
     /**
      * @ORM\ManyToOne(targetEntity=Location::class)
@@ -64,32 +60,26 @@ class User implements AdvancedUserInterface
     private ?string $email = null;
 
     /**
-     * @var string
-     *
      * @ORM\Column(
      *     type="string",
      *     length=150,
      *     nullable=true,
      * unique=true)
      */
-    private $emailCanonical;
+    private ?string $emailCanonical = null;
 
     /**
-     * @var bool
-     *
      * @ORM\Column(type="boolean")
      */
-    private $enabled = true;
+    private bool $enabled = true;
 
     /**
-     * @var Collection
-     *
      * @ORM\ManyToMany(
      *     targetEntity="Chill\MainBundle\Entity\GroupCenter",
      * inversedBy="users")
      * @ORM\Cache(usage="NONSTRICT_READ_WRITE")
      */
-    private $groupCenters;
+    private Collection $groupCenters;
 
     /**
      * @ORM\Column(type="string", length=200)
@@ -98,12 +88,10 @@ class User implements AdvancedUserInterface
     private string $label = '';
 
     /**
-     * @var bool
-     *
      * @ORM\Column(type="boolean")
      *      sf4 check: in yml was false by default !?
      */
-    private $locked = true;
+    private bool $locked = true;
 
     /**
      * @ORM\ManyToOne(targetEntity=Center::class)
@@ -117,20 +105,16 @@ class User implements AdvancedUserInterface
     private ?Scope $mainScope = null;
 
     /**
-     * @var string
-     *
      * @ORM\Column(type="string", length=255)
      */
-    private $password;
+    private string $password = '';
 
     /**
-     * @var string
-     *
      * @internal must be set to null if we use bcrypt
      *
      * @ORM\Column(type="string", length=255, nullable=true)
      */
-    private $salt;
+    private ?string $salt = null;
 
     /**
      * @ORM\ManyToOne(targetEntity=UserJob::class)
@@ -138,22 +122,18 @@ class User implements AdvancedUserInterface
     private ?UserJob $userJob = null;
 
     /**
-     * @var string
-     *
      * @ORM\Column(type="string", length=80)
      */
-    private $username;
+    private string $username = '';
 
     /**
-     * @var string
-     *
      * @ORM\Column(
      *     type="string",
      *     length=80,
      *     unique=true,
      * nullable=true)
      */
-    private $usernameCanonical;
+    private ?string $usernameCanonical = null;
 
     /**
      * User constructor.