diff --git a/config/filesystems.php b/config/filesystems.php
index 073d7473a7..63c8eb6342 100644
--- a/config/filesystems.php
+++ b/config/filesystems.php
@@ -153,7 +153,7 @@ return [
             'key' => env('R2_ACCESS_KEY_ID_BACKUP'),
             'secret' => env('R2_SECRET_ACCESS_KEY_BACKUP'),
             'region' => env('R2_DEFAULT_REGION_BACKUP','auto'),
-            'bucket' => env('R2_BUCKET_BACKUP'),
+            'bucket' => env('R2_BUCKET_BACKUP','auto'),
             'url' => env('R2_URL_BACKUP'),
             'visibility' => 'private',
             'endpoint' => env('R2_ENDPOINT_BACKUP'),