diff --git a/tutorial/header.tex b/tutorial/header.tex
index eb20a45..6ce5244 100644
--- a/tutorial/header.tex
+++ b/tutorial/header.tex
@@ -22,3 +22,10 @@
 
 % In french, list item starts with dash, not bullet
 \renewcommand\labelitemi{---}
+
+\usepackage{etoolbox}
+
+\makeatletter
+\pretocmd{\subsection}{\addtocontents{toc}{\protect\addvspace{-5\p@}}}{}{}
+\pretocmd{\subsubsection}{\addtocontents{toc}{\protect\addvspace{-6\p@}}}{}{}
+\makeatother