2 files changed, 15 insertions, 1 deletions

diff --git a/server/lib/object-storage/shared/client.ts b/server/lib/object-storage/shared/client.ts
index c9a614593..85682c492 100644
--- a/server/lib/object-storage/shared/client.ts
+++ b/server/lib/object-storage/shared/client.ts
@@ -29,6 +29,20 @@ function getClient () {
       : undefined
   })
 
+  // FIXME: https://github.com/aws/aws-sdk-js-v3/issues/2445 workaround
+  s3Client.middlewareStack.add(
+    (next, _context) => (args: any) => {
+      if (typeof args.request?.body === 'string' && args.request.body.includes('CompletedMultipartUpload')) {
+        args.request.body = args.request.body.replace(/CompletedMultipartUpload/g, 'CompleteMultipartUpload')
+      }
+      return next(args)
+    },
+    {
+      step: 'build',
+      priority: 'high'
+    }
+  )
+
   logger.info('Initialized S3 client %s with region %s.', getEndpoint(), OBJECT_STORAGE.REGION, lTags())
 
   return s3Client
diff --git a/server/lib/object-storage/shared/object-storage-helpers.ts b/server/lib/object-storage/shared/object-storage-helpers.ts
index b53b94b96..47c37ffda 100644
--- a/server/lib/object-storage/shared/object-storage-helpers.ts
+++ b/server/lib/object-storage/shared/object-storage-helpers.ts
@@ -216,7 +216,7 @@ async function multiPartUpload (options: {
 
   const completeUploadCommand = new CompleteMultipartUploadCommand({
     Bucket: bucketInfo.BUCKET_NAME,
-    Key: objectStorageKey,
+    Key: key,
     UploadId: createResponse.UploadId,
     MultipartUpload: { Parts: parts }
   })