diff --git a/src/Bundle/ChillJobBundle/src/Entity/Frein.php b/src/Bundle/ChillJobBundle/src/Entity/Frein.php
index 79a41b4d5..63b73cc26 100644
--- a/src/Bundle/ChillJobBundle/src/Entity/Frein.php
+++ b/src/Bundle/ChillJobBundle/src/Entity/Frein.php
@@ -29,7 +29,7 @@ class Frein implements HasPerson, \Stringable
     #[ORM\GeneratedValue(strategy: 'AUTO')]
     private ?int $id = null;
 
-    
+
     #[ORM\Column(name: 'reportDate', type: \Doctrine\DBAL\Types\Types::DATE_MUTABLE)]
     #[Assert\NotNull]
     #[Assert\GreaterThan('5 years ago', message: 'La date du rapport ne peut pas être plus de cinq ans dans le passé')]
@@ -52,7 +52,7 @@ class Frein implements HasPerson, \Stringable
     private $freinsPerso = [];
 
     #[ORM\Column(name: 'notesPerso', type: \Doctrine\DBAL\Types\Types::TEXT)]
-    private ?string $notesPerso = '';
+    private ?string $notesPerso = null;
 
     public const FREINS_EMPLOI = [
         'garde_d_enfants',
@@ -70,7 +70,7 @@ class Frein implements HasPerson, \Stringable
     private $freinsEmploi = [];
 
     #[ORM\Column(name: 'notesEmploi', type: \Doctrine\DBAL\Types\Types::TEXT)]
-    private ?string $notesEmploi = '';
+    private ?string $notesEmploi = null;
 
     #[ORM\ManyToOne(targetEntity: Person::class)]
     #[Assert\NotNull]
diff --git a/src/Bundle/ChillJobBundle/src/Entity/Rome/Appellation.php b/src/Bundle/ChillJobBundle/src/Entity/Rome/Appellation.php
index d614ee03f..d08cf3da6 100644
--- a/src/Bundle/ChillJobBundle/src/Entity/Rome/Appellation.php
+++ b/src/Bundle/ChillJobBundle/src/Entity/Rome/Appellation.php
@@ -26,10 +26,10 @@ class Appellation implements \Stringable
     private ?int $id = null;
 
     #[ORM\Column(name: 'code', type: \Doctrine\DBAL\Types\Types::STRING, length: 40, unique: true)]
-    private ?string $code = '';
+    private ?string $code = null;
 
     #[ORM\Column(name: 'libelle', type: \Doctrine\DBAL\Types\Types::TEXT)]
-    private ?string $libelle = '';
+    private ?string $libelle = null;
 
     #[ORM\ManyToOne(targetEntity: Metier::class, inversedBy: 'appellations', cascade: ['persist'])]
     private ?Metier $metier = null;
diff --git a/src/Bundle/ChillJobBundle/src/Entity/Rome/Metier.php b/src/Bundle/ChillJobBundle/src/Entity/Rome/Metier.php
index 31d29461a..2628b2f5f 100644
--- a/src/Bundle/ChillJobBundle/src/Entity/Rome/Metier.php
+++ b/src/Bundle/ChillJobBundle/src/Entity/Rome/Metier.php
@@ -27,10 +27,10 @@ class Metier
     private ?int $id = null;
 
     #[ORM\Column(name: 'libelle', type: \Doctrine\DBAL\Types\Types::TEXT)]
-    private ?string $libelle = '';
+    private ?string $libelle = null;
 
     #[ORM\Column(name: 'code', type: \Doctrine\DBAL\Types\Types::STRING, length: 20, unique: true)]
-    private ?string $code = '';
+    private ?string $code = null;
 
     /**
      * @var \Doctrine\Common\Collections\Collection<int, Appellation>
diff --git a/src/Bundle/ChillMainBundle/Entity/Workflow/EntityWorkflowStep.php b/src/Bundle/ChillMainBundle/Entity/Workflow/EntityWorkflowStep.php
index 24acc4f78..82bf81115 100644
--- a/src/Bundle/ChillMainBundle/Entity/Workflow/EntityWorkflowStep.php
+++ b/src/Bundle/ChillMainBundle/Entity/Workflow/EntityWorkflowStep.php
@@ -46,7 +46,7 @@ class EntityWorkflowStep
     private string $comment = '';
 
     #[ORM\Column(type: \Doctrine\DBAL\Types\Types::TEXT)]
-    private ?string $currentStep = '';
+    private ?string $currentStep = null;
 
     #[ORM\Column(type: \Doctrine\DBAL\Types\Types::JSON)]
     private array $destEmail = [];