diff --git a/lib/wayback_machine_downloader.rb b/lib/wayback_machine_downloader.rb
index e57dfde..e3e76fc 100644
--- a/lib/wayback_machine_downloader.rb
+++ b/lib/wayback_machine_downloader.rb
@@ -16,7 +16,7 @@ class WaybackMachineDownloader
 
   VERSION = "2.1.1"
 
-  attr_accessor :base_url, :exact_url, :directory, :all_timestamps
+  attr_accessor :base_url, :exact_url, :directory, :all_timestamps,
     :from_timestamp, :to_timestamp, :only_filter, :exclude_filter, 
     :all, :maximum_pages, :threads_count