diff --git a/weed/operation/upload_content.go b/weed/operation/upload_content.go
index 56c358174..9f96c851a 100644
--- a/weed/operation/upload_content.go
+++ b/weed/operation/upload_content.go
@@ -292,7 +292,7 @@ func (uploader *Uploader) doUploadData(ctx context.Context, data []byte, option
 		uploadResult.Name = option.Filename
 		uploadResult.Mime = option.MimeType
 		uploadResult.CipherKey = cipherKey
-		uploadResult.Size = uint32(len(data))
+		uploadResult.Size = uint32(clearDataLen)
 		if contentIsGzipped {
 			uploadResult.Gzip = 1
 		}