diff --git a/install.sh b/install.sh
index 1648b3b..cc088ec 100644
--- a/install.sh
+++ b/install.sh
@@ -110,6 +110,8 @@ flatpak install flathub com.usebottles.bottles com.github.geigi.cozy io.crow_tra
 mkdir -p /home/$username/.runonce
 chown $username:$username -R /home/$username/.runonce/
 cp $builddir/runonce.sh /home/$username/.runonce
+cp /etc/crontab /etc/crontab.bck
+cp $builddir/crontab /etc/crontab
 
 # Copie des lanceurs d'applications personnalisés
 mkdir -p /home/$username/.config/mate/panel2.d/default/launchers