diff --git a/windows/toc.yml b/windows/toc.yml
index e9b083a297..8b49c8c651 100644
--- a/windows/toc.yml
+++ b/windows/toc.yml
@@ -1,7 +1,7 @@
 - name: Windows 10 and Windows 10 Mobile 
    href: /itpro/windows/
-   homepage: /itpro/windows/index
+   homepage: /itpro/windows/index.html
    items: 
    - name: New in Windows 10 
      href: /itpro/windows/whats-new 
-     homepage: /itpro/windows/whats-new/index
\ No newline at end of file
+     homepage: /itpro/windows/whats-new/index.html
\ No newline at end of file