X-Git-Url: http://source.bookstackapp.com/bookstack/blobdiff_plain/611cb290731e6fac507a7d24b5e234911a28bee6..refs/pull/1973/head:/app/Entities/Repos/BookshelfRepo.php

diff --git a/app/Entities/Repos/BookshelfRepo.php b/app/Entities/Repos/BookshelfRepo.php
index 03b54f009..25fa97dae 100644
--- a/app/Entities/Repos/BookshelfRepo.php
+++ b/app/Entities/Repos/BookshelfRepo.php
@@ -123,7 +123,7 @@ class BookshelfRepo
      * @throws ImageUploadException
      * @throws Exception
      */
-    public function updateCoverImage(Bookshelf $shelf, UploadedFile $coverImage = null, bool $removeImage = false)
+    public function updateCoverImage(Bookshelf $shelf, ?UploadedFile $coverImage, bool $removeImage = false)
     {
         $this->baseRepo->updateCoverImage($shelf, $coverImage, $removeImage);
     }