diff --git a/cnam/travaux/mémoire/thesis/conclusion.tex b/cnam/travaux/mémoire/thesis/conclusion.tex
index 14393c5..571adfa 100644
--- a/cnam/travaux/mémoire/thesis/conclusion.tex
+++ b/cnam/travaux/mémoire/thesis/conclusion.tex
@@ -1,2 +1,3 @@
-\chapter*{Conclusion}
-\addcontentsline{toc}{chapter}{Conclusion}
+\def\outro{Conclusion}
+\chapter*{\outro}
+\addcontentsline{toc}{chapter}{\outro}
diff --git a/cnam/travaux/mémoire/thesis/introduction.tex b/cnam/travaux/mémoire/thesis/introduction.tex
index 0206f65..f156744 100644
--- a/cnam/travaux/mémoire/thesis/introduction.tex
+++ b/cnam/travaux/mémoire/thesis/introduction.tex
@@ -1,2 +1,3 @@
-\chapter*{Introduction}
-\addcontentsline{toc}{chapter}{Introduction}
+\def\intro{Introduction}
+\chapter*{\intro}
+\addcontentsline{toc}{chapter}{\intro}