diff --git a/src/Twig/UploadBookPicture.php b/src/Twig/UploadBookPicture.php
index 67c9f6e4..b1a0e1f6 100644
--- a/src/Twig/UploadBookPicture.php
+++ b/src/Twig/UploadBookPicture.php
@@ -46,6 +46,7 @@ public function uploadFiles(Request $request, LoggerInterface $logger, BookFileS
         $logger->info('uploading file '.$symfonyFile->getClientOriginalName());
 
         $book = $fileSystemManager->uploadBookCover($symfonyFile, $this->book);
+        $logger->info('save book ', ['book' => $book]);
 
         $entityManager->persist($book);
         $entityManager->flush();