diff --git a/.changes/unreleased/Fixed-20250416-210315.yaml b/.changes/unreleased/Fixed-20250416-210315.yaml
new file mode 100644
index 000000000..845ab7c1f
--- /dev/null
+++ b/.changes/unreleased/Fixed-20250416-210315.yaml
@@ -0,0 +1,6 @@
+kind: Fixed
+body: Add consistent log prefix and key to logs when stale workflows are automatically canceled
+time: 2025-04-16T21:03:15.491889784+02:00
+custom:
+    Issue: ""
+    SchemaChange: No schema change
diff --git a/src/Bundle/ChillMainBundle/Service/Workflow/CancelStaleWorkflowHandler.php b/src/Bundle/ChillMainBundle/Service/Workflow/CancelStaleWorkflowHandler.php
index d8f0863fc..d392df1ca 100644
--- a/src/Bundle/ChillMainBundle/Service/Workflow/CancelStaleWorkflowHandler.php
+++ b/src/Bundle/ChillMainBundle/Service/Workflow/CancelStaleWorkflowHandler.php
@@ -25,6 +25,8 @@ use Symfony\Component\Workflow\Transition;
 #[AsMessageHandler]
 final readonly class CancelStaleWorkflowHandler
 {
+    private const LOG_PREFIX = '[CancelStaleWorkflowHandler] ';
+
     public function __construct(
         private EntityWorkflowRepository $workflowRepository,
         private Registry $registry,
@@ -40,13 +42,13 @@ final readonly class CancelStaleWorkflowHandler
 
         $workflow = $this->workflowRepository->find($message->getWorkflowId());
         if (null === $workflow) {
-            $this->logger->alert('Workflow was not found!', [$workflowId]);
+            $this->logger->alert(self::LOG_PREFIX.'Workflow was not found!', ['entityWorkflowId' => $workflowId]);
 
             return;
         }
 
         if (false === $workflow->isStaledAt($olderThanDate)) {
-            $this->logger->alert('Workflow has transitioned in the meantime.', [$workflowId]);
+            $this->logger->alert(self::LOG_PREFIX.'Workflow has transitioned in the meantime.', ['entityWorkflowId' => $workflowId]);
 
             throw new UnrecoverableMessageHandlingException('the workflow is not staled any more');
         }
@@ -67,14 +69,14 @@ final readonly class CancelStaleWorkflowHandler
                     'transitionAt' => $this->clock->now(),
                     'transition' => $transition->getName(),
                 ]);
-                $this->logger->info('EntityWorkflow has been cancelled automatically.', [$workflowId]);
+                $this->logger->info(self::LOG_PREFIX.'EntityWorkflow has been cancelled automatically.', ['entityWorkflowId' => $workflowId]);
                 $transitionApplied = true;
                 break;
             }
         }
 
         if (!$transitionApplied) {
-            $this->logger->error('No valid transition found for EntityWorkflow.', [$workflowId]);
+            $this->logger->error(self::LOG_PREFIX.'No valid transition found for EntityWorkflow.', ['entityWorkflowId' => $workflowId]);
             throw new UnrecoverableMessageHandlingException(sprintf('No valid transition found for EntityWorkflow %d.', $workflowId));
         }