diff --git a/src/Bundle/ChillMainBundle/Workflow/SignatureStepStateChanger.php b/src/Bundle/ChillMainBundle/Workflow/SignatureStepStateChanger.php
index efba00b02..3e2871810 100644
--- a/src/Bundle/ChillMainBundle/Workflow/SignatureStepStateChanger.php
+++ b/src/Bundle/ChillMainBundle/Workflow/SignatureStepStateChanger.php
@@ -15,14 +15,18 @@ use Chill\MainBundle\Entity\User;
 use Chill\MainBundle\Entity\Workflow\EntityWorkflowSignatureStateEnum;
 use Chill\MainBundle\Entity\Workflow\EntityWorkflowStep;
 use Chill\MainBundle\Entity\Workflow\EntityWorkflowStepSignature;
+use Psr\Log\LoggerInterface;
 use Symfony\Component\Clock\ClockInterface;
 use Symfony\Component\Workflow\Registry;
 
 class SignatureStepStateChanger
 {
+    private const LOG_PREFIX = '[SignatureStepStateChanger] ';
+
     public function __construct(
         private readonly Registry $registry,
         private readonly ClockInterface $clock,
+        private readonly LoggerInterface $logger,
     ) {}
 
     public function markSignatureAsSigned(EntityWorkflowStepSignature $signature, ?int $atIndex): void
@@ -33,10 +37,16 @@ class SignatureStepStateChanger
             ->setStateDate($this->clock->now())
         ;
 
+        $this->logger->info(self::LOG_PREFIX.'Mark signature entity as signed', ['signatureId' => $signature->getId(), 'index' => (string) $atIndex]);
+
         if (!EntityWorkflowStepSignature::isAllSignatureNotPendingForStep($signature->getStep())) {
+            $this->logger->info(self::LOG_PREFIX.'This is not the last signature, skipping transition to another place', ['signatureId' => $signature->getId()]);
+
             return;
         }
 
+        $this->logger->debug(self::LOG_PREFIX.'Continuing the process to find a transition', ['signatureId' => $signature->getId()]);
+
         $entityWorkflow = $signature->getStep()->getEntityWorkflow();
         $workflow = $this->registry->get($entityWorkflow, $entityWorkflow->getWorkflowName());
         $metadataStore = $workflow->getMetadataStore();
@@ -54,12 +64,16 @@ class SignatureStepStateChanger
         }
 
         if (null === $transition) {
+            $this->logger->info(self::LOG_PREFIX.'The transition is not configured, will not apply a transition', ['signatureId' => $signature->getId()]);
+
             return;
         }
 
         $previousUser = $this->getPreviousSender($signature->getStep());
 
         if (null === $previousUser) {
+            $this->logger->info(self::LOG_PREFIX.'No previous user, will not apply a transition', ['signatureId' => $signature->getId()]);
+
             return;
         }
 
@@ -71,6 +85,8 @@ class SignatureStepStateChanger
             'transitionAt' => $this->clock->now(),
             'transition' => $transition,
         ]);
+
+        $this->logger->info(self::LOG_PREFIX.'Transition automatically applied', ['signatureId' => $signature->getId()]);
     }
 
     private function getPreviousSender(EntityWorkflowStep $entityWorkflowStep): ?User