diff --git a/src/UnicaenAuth/Authentication/Storage/AuthFactory.php b/src/UnicaenAuth/Authentication/Storage/AuthFactory.php
index 7c5c1c4a03769cb0efa4cbc1368902aa2d546d63..c90334bb70c2ae2a165e79c3845b4a4f4ff7c4c6 100644
--- a/src/UnicaenAuth/Authentication/Storage/AuthFactory.php
+++ b/src/UnicaenAuth/Authentication/Storage/AuthFactory.php
@@ -4,6 +4,7 @@ namespace UnicaenAuth\Authentication\Storage;
 
 use Interop\Container\ContainerInterface;
 use Laminas\Authentication\Storage\Session;
+use Laminas\Session\Exception\RuntimeException;
 use Laminas\Session\SessionManager;
 
 class AuthFactory
@@ -19,7 +20,18 @@ class AuthFactory
         $sessionManager = $container->get(SessionManager::class);
 
         $storage = new Auth();
-        $storage->setStorage(new Session(Usurpation::class, null, $sessionManager));
+
+        try {
+            $storage->setStorage(new Session(Usurpation::class, null, $sessionManager));
+        } catch (RuntimeException $e) {
+            /**
+             * Tentative de réagir en cas d'erreur suivante :
+             * "PHP Fatal error:  Uncaught Zend\Session\Exception\RuntimeException: Session validation failed in
+             * /var/www/sygal/vendor/zendframework/zend-session/src/SessionManager.php:160"
+             */
+            $sessionManager->regenerateId(true);
+            $storage->setStorage(new Session(Usurpation::class, null, $sessionManager));
+        }
 
         return $storage;
     }