diff --git a/mkdocs.yml b/mkdocs.yml
index f19be0fe037b837f903398de8d653b0fe211be16..3fb505b345550ffd4b8ea3ffec04735c2bf9db67 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -5,8 +5,8 @@ theme:
   name: 'readthedocs'
 
 nav:
-  - Home: index.md
-  - Installation: installation.md
+  - Home: index.html
+  - Installation: installation.html
   - User Guide: user-guide.md
   - Usage: usage.md
   - Tutorial 1 Basic local phenotype: tutorials/example1.md