diff --git a/.changes/unreleased/Fixed-20241216-153850.yaml b/.changes/unreleased/Fixed-20241216-153850.yaml
new file mode 100644
index 000000000..09b3a3a7e
--- /dev/null
+++ b/.changes/unreleased/Fixed-20241216-153850.yaml
@@ -0,0 +1,5 @@
+kind: Fixed
+body: Wrap handling of PdfSignedMessage into transactions
+time: 2024-12-16T15:38:50.974937062+01:00
+custom:
+    Issue: ""
diff --git a/src/Bundle/ChillDocStoreBundle/Service/Signature/Driver/BaseSigner/PdfSignedMessageHandler.php b/src/Bundle/ChillDocStoreBundle/Service/Signature/Driver/BaseSigner/PdfSignedMessageHandler.php
index e97781a15..7b94b3124 100644
--- a/src/Bundle/ChillDocStoreBundle/Service/Signature/Driver/BaseSigner/PdfSignedMessageHandler.php
+++ b/src/Bundle/ChillDocStoreBundle/Service/Signature/Driver/BaseSigner/PdfSignedMessageHandler.php
@@ -51,11 +51,12 @@ final readonly class PdfSignedMessageHandler implements MessageHandlerInterface
             throw new \RuntimeException('no stored object found');
         }
 
-        $this->storedObjectManager->write($storedObject, $message->content);
+        $this->entityManager->wrapInTransaction(function () use ($storedObject, $message, $signature) {
+            $this->storedObjectManager->write($storedObject, $message->content);
 
-        $this->signatureStepStateChanger->markSignatureAsSigned($signature, $message->signatureZoneIndex);
+            $this->signatureStepStateChanger->markSignatureAsSigned($signature, $message->signatureZoneIndex);
+        });
 
-        $this->entityManager->flush();
         $this->entityManager->clear();
     }
 }