diff --git a/lib/wayback_machine_downloader.rb b/lib/wayback_machine_downloader.rb
index 842bdbc..214c528 100644
--- a/lib/wayback_machine_downloader.rb
+++ b/lib/wayback_machine_downloader.rb
@@ -1,6 +1,6 @@
 require 'open-uri'
 require 'fileutils'
-require_relative 'tidy_bytes'
+require_relative 'wayback_machine_downloader/tidy_bytes'
 
 class WaybackMachineDownloader
 
diff --git a/lib/tidy_bytes.rb b/lib/wayback_machine_downloader/tidy_bytes.rb
similarity index 100%
rename from lib/tidy_bytes.rb
rename to lib/wayback_machine_downloader/tidy_bytes.rb