diff --git a/upgrade.d/Constant_upgrade/Disable_add_domain b/upgrade.d/Constant_upgrade/Disable_add_domain
index 8404b54..a9261e3 100644
--- a/upgrade.d/Constant_upgrade/Disable_add_domain
+++ b/upgrade.d/Constant_upgrade/Disable_add_domain
@@ -6,4 +6,4 @@ if [ "${0:0:1}" == "/" ]; then script_dir="$(dirname "$0")"; else script_dir="$P
MACHINE=$1 # Nom du conteneur
# Disable the button to add a new domain
-sed -i "s///g" /var/lib/lxc/$MACHINE/rootfs/usr/share/yunohost/admin/views/domain/domain_add.ms
+sed -i "s@@@g" /var/lib/lxc/$MACHINE/rootfs/usr/share/yunohost/admin/views/domain/domain_add.ms