diff --git a/lib/wayback_machine_downloader.rb b/lib/wayback_machine_downloader.rb
index 8f6fdd1..323cb04 100644
--- a/lib/wayback_machine_downloader.rb
+++ b/lib/wayback_machine_downloader.rb
@@ -24,7 +24,11 @@ class WaybackMachineDownloader
   end
 
   def backup_name
-    @base_url.split('/')[2]
+    if @base_url.include? '//'
+      @base_url.split('/')[2]
+    else
+      @base_url
+    end
   end
 
   def backup_path