diff --git a/module/Formation/view/formation/session/changer-etat.phtml b/module/Formation/view/formation/session/changer-etat.phtml
index 1aacac946ec3ae9c325a3fc7a647038016ec5148..512782d30d6582bfd00ea0f19976532d9c1caff4 100644
--- a/module/Formation/view/formation/session/changer-etat.phtml
+++ b/module/Formation/view/formation/session/changer-etat.phtml
@@ -27,7 +27,7 @@ use UnicaenEtat\Entity\Db\EtatType;
 <div class="alert alert-info">
     La session de formation <strong><?php echo $session->getFormation()->getLibelle(); ?></strong>
     (<?php echo $session->getPeriode(); ?>) est actuellement à l'état
-    <strong><?php echo $session->getEtatActif()->getType()->getLibelle(); ?></strong>
+    <strong><?php echo $session->getEtatActif()?$session->getEtatActif()->getType()->getLibelle():"Aucun état connu"; ?></strong>
     <?php echo $this->etatinstance($session->getEtatActif(), ['display-categorie' => false]); ?>.
 </div>