diff --git a/module/Application/src/Entity/Db/EtatSortie.php b/module/Application/src/Entity/Db/EtatSortie.php
index a5ca756ad5b00aaae1d3a02ba776574e5b56de2b..ac11cde6f0e1e0bf3d9a2d8c349e5515f6932390 100644
--- a/module/Application/src/Entity/Db/EtatSortie.php
+++ b/module/Application/src/Entity/Db/EtatSortie.php
@@ -583,8 +583,11 @@ class EtatSortie
 
 
 
-    public function setSignatureActivation(bool $signatureActivation): EtatSortie
+    public function setSignatureActivation(?bool $signatureActivation): EtatSortie
     {
+        if ($signatureActivation == null) {
+            $signatureActivation = false;
+        }
         $this->signatureActivation = $signatureActivation;
 
         return $this;
diff --git a/module/Application/src/Hydrator/EtatSortieHydrator.php b/module/Application/src/Hydrator/EtatSortieHydrator.php
index 7d1548e461ba1e166ae4ef2eaf4fd3eaba7608f2..c26fde83927f3caaea1fe3d9dd1c74498bd9dc7b 100644
--- a/module/Application/src/Hydrator/EtatSortieHydrator.php
+++ b/module/Application/src/Hydrator/EtatSortieHydrator.php
@@ -3,6 +3,7 @@
 namespace Application\Hydrator;
 
 
+use Application\Entity\Db\EtatSortie;
 use Laminas\Hydrator\HydratorInterface;
 use Signature\Service\SignatureFlowService;
 use Signature\Service\SignatureFlowServiceAwareTrait;