diff --git a/lib/dynamo-backup.js b/lib/dynamo-backup.js
index a81e469..f54f0c2 100644
--- a/lib/dynamo-backup.js
+++ b/lib/dynamo-backup.js
@@ -64,7 +64,7 @@ DynamoBackup.prototype.backupTable = function (tableName, backupPath, callback)
     }
 
    params.bucket = self.bucket;
-   params.objectName = path.join(backupPath, tableName + '.json');
+   params.objectName = `${backupPath}/${tableName}.json`
    params.stream = stream;
    params.debug = self.debug;