diff --git a/programming/lecture/programming.tex b/programming/lecture/programming.tex
index a6cebd5..6802289 100644
--- a/programming/lecture/programming.tex
+++ b/programming/lecture/programming.tex
@@ -1,6 +1,6 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 
-\chapter{Programming in \matlab}
+\chapter{Programming in \matlab}\label{programming}
 
 \section{Variables and data types}