diff --git a/doc/index.rst b/doc/index.rst
index f8efdf6f1..ed11ce020 100644
--- a/doc/index.rst
+++ b/doc/index.rst
@@ -110,7 +110,7 @@ license. The authors are Francesco Biscani and
 Dario Izzo (European Space Agency).
 
 .. toctree::
-   :maxdepth: 2
+   :maxdepth: 1
 
    install.rst
    basic_tutorials.rst