diff --git a/doc/handbook/tutorial-decoupled.tex b/doc/handbook/tutorial-decoupled.tex
index bcaa09845..905707e4e 100644
--- a/doc/handbook/tutorial-decoupled.tex
+++ b/doc/handbook/tutorial-decoupled.tex
@@ -1,3 +1,8 @@
 \section[Decoupled model]{Solving a problem using a Decoupled Model}\label{tutorial-decoupled}
 
+\begin{lst}[File dune-mux/test/tutorial/tutorial\_decoupled.cc] \mbox{}
+\lstinputlisting[basicstyle=\ttfamily\scriptsize,numbers=left, 
+numberstyle=\tiny, numbersep=5pt]{../../test/tutorial/tutorial_decoupled.cc}
+\end{lst}
+
 TODO: describe a decoupled model in detail
\ No newline at end of file