diff --git a/421-Controle_processus/Cours/main.tex b/421-Controle_processus/Cours/main.tex
index fda6de6..8fc58d2 100644
--- a/421-Controle_processus/Cours/main.tex
+++ b/421-Controle_processus/Cours/main.tex
@@ -23,7 +23,7 @@
 \usepackage{schemabloc}
 \usepackage{circuitikz}
 \usepackage{pgfplots}
-\input{../../Raccourcis.tex}
+\usepackage{../../raccourcis}
 \usepackage{../../boites}
 \hypersetup{
 	colorlinks = true,
diff --git a/431-Electronique_transmission/Cours/main.tex b/431-Electronique_transmission/Cours/main.tex
index ddfcd7a..a39298b 100644
--- a/431-Electronique_transmission/Cours/main.tex
+++ b/431-Electronique_transmission/Cours/main.tex
@@ -21,8 +21,8 @@
 \usepackage{schemabloc}
 \usepackage[european,cuteinductors,siunitx,straightvoltages]{circuitikz}
 \usepackage{pgfplots}
-\input{../../Raccourcis.tex}
-\input{../../Boites.tex}
+\usepackage{../../raccourcis}
+\usepackage{../../boites}
 \hypersetup{
 	colorlinks = true,
 	linkcolor=.,
diff --git a/451-Signal_Image/Cours/main.tex b/451-Signal_Image/Cours/main.tex
index a3adae7..60477e1 100644
--- a/451-Signal_Image/Cours/main.tex
+++ b/451-Signal_Image/Cours/main.tex
@@ -23,8 +23,8 @@
 \usepackage{schemabloc}
 \usepackage{circuitikz}
 \usepackage{pgfplots}
-\input{../../Raccourcis.tex}
-\input{../../Boites.tex}
+\usepackage{../../raccourcis}
+\usepackage{../../boites}
 \hypersetup{
 	colorlinks = true,
 	linkcolor=.,