diff --git a/install.sh b/install.sh
index 1660f68..fe443ce 100644
--- a/install.sh
+++ b/install.sh
@@ -111,9 +111,9 @@ flatpak --user override --filesystem=/run/udev:ro io.github.hmlendea.geforcenow-
 
 # Edition du fichier crontab pour éxecution du script post-redémarrage
 touch /tmp/wibian/$username
-sed -i -e '$a@reboot bash /tmp/runonce.sh' /tmp/wibian/$username
-sed -i -e '$a@reboot crontab -r -u $username' /tmp/wibian/$username
 cp $builddir/runonce.sh /tmp/
+echo "@reboot bash /tmp/runonce.sh" >> /tmp/wibian/$username
+echo "@reboot crontab -r -u $username" >> /tmp/wibian/$username
 cp /tmp/wibian/$username /var/spool/cron/crontabs/
 chown $username:$username /var/spool/cron/crontabs/$username