diff --git a/main.tex b/main.tex
index 3a00178..74e674e 100644
--- a/main.tex
+++ b/main.tex
@@ -118,13 +118,12 @@
 
 \input chap-proofs
 
-\chapter{Underlying Structures}
+\chapter{Underlying Structures} \label{ch:structures}
 \addcontentsline{tof}{chapter}{\protect\numberline{\thechapter} Structures sous-jacentes}
-\label{ch:structures}
 
 \input chap-structures
 
-\chapter{Zero-Knowledge Arguments}
+\chapter{Zero-Knowledge Arguments} \label{ch:zka}
 \addcontentsline{tof}{chapter}{\protect\numberline{\thechapter} Arguments à divulgation nulle de connaissance}
 
 \input chap-ZK