diff --git a/scripts/transform-file.py b/scripts/transform-file.py
index 397ca98..65421d5 100755
--- a/scripts/transform-file.py
+++ b/scripts/transform-file.py
@@ -112,7 +112,7 @@ def markdown_to_html(input_file, output_dir):
 
         pages_new.append(('Potators', {'abstract': 'Do not look.', 'lastupdated': '2011'}, '/potator/', '/potator/'))
 
-        pages_new.sort(key=lambda p: ('9999' if p[1] is None else p[1].get('lastupdated'), p[0]), reverse=True)
+        pages_new.sort(key=lambda p: ('9999' if p[1] is None else p[1].get('lastupdated') or '9999', p[0]), reverse=True)
         md = ''
         for page in pages_new:
             ptitle, pyaml, url, _ = page