diff --git a/pipeline.ori b/pipeline.ori
index 48a98e5..159e98f 100644
--- a/pipeline.ori
+++ b/pipeline.ori
@@ -50,11 +50,18 @@
     then final output is `withSummary`, otherwise it's `privateRemoved`.
     */
     privateRemoved: Tree.map(withSummary, removePrivate.js)
-    final: (all ? withSummary : privateRemoved)
+    final: (all ? withSummary : privateRemoved) → (tree) => Tree.mapExtension(tree, '.html→')
   
 
   renderedPages: Tree.map(final, (page) => <page.ori>(page, all))
 
+  pagesInFolders: Tree.map(renderedPages, {
+    value: (value) => {
+      index.html: value
+    }
+  })
+
+
   /*
   assets are relative to the pubfiles directory
   */