diff --git a/build/index.py b/build/index.py
index 6a86af3..8003ad8 100644
--- a/build/index.py
+++ b/build/index.py
@@ -46,6 +46,7 @@ for path in posts:
 
     # clean leading directories to get the relative path we'll use for the link
     url = re.sub(dir_pattern, r"\2", path)
+    url = f"blog/{url}"
 
     item = (date, f'<li><a href="{url}">{date}{title}</a></li>')
     links.append(item)