diff --git a/scripts/backup.ts b/scripts/backup.ts
index 350df0b..f3ad912 100644
--- a/scripts/backup.ts
+++ b/scripts/backup.ts
@@ -16,6 +16,7 @@ const BACKUP_FILE_TAR = path.join(BACKUP_DIR, BACKUP_FILE_NAME);
 const RSYNC_IGNORE_FILE = `/root/.coderank/server/rsync-ignore.txt`;
 const R2_FOLDER = `archives/servers`;
 const R2_FILE_NAME = `${process.env.CODERANK_HOST_DOMAIN}.tar.xz`;
+const R2_VERSION_FILE_NAME = `${process.env.CODERANK_HOST_DOMAIN}-${Date.now()}.tar.xz`;
 const SERVER_DATA_DIR = `/root/.coderank`;
 const BACKUP_DATA_DIR = path.join(BACKUP_DIR_BACKUP, ".coderank");
 
@@ -48,7 +49,7 @@ await s3UploadFile({
 });
 
 await s3UploadFile({
-    fileName: R2_FILE_NAME + `-${Date.now()}`,
+    fileName: R2_VERSION_FILE_NAME,
     filePath: BACKUP_FILE_TAR,
     folder: R2_FOLDER,
 });