diff --git a/macli.py b/macli.py
index eaf9e23..cf4ab13 100644
--- a/macli.py
+++ b/macli.py
@@ -163,7 +163,7 @@ def archive_to_dir(directory, url):
                 selector, directory, attribute, progbar)
 
     with open('index.html', 'wt') as f:
-        f.write(str(archived_content))
+        f.write(archived_content.prettify())
 
     os.chdir(current_path)