diff --git a/scripts/functions.sh b/scripts/functions.sh
index ca48920..90676f9 100644
--- a/scripts/functions.sh
+++ b/scripts/functions.sh
@@ -11,11 +11,7 @@ deb="/tmp/duniter-server-$version-linux-$arch.deb"
 sudo dpkg -i $deb > /dev/null
 sudo rm -f $deb
 
-# Fix https://github.com/duniter/cesium/issues/330
-sudo sed -i "s@443===@443==@g" /opt/duniter/sources/node_modules/duniter-ui/public/cesium/dist_js/cesium*
-sudo sed -i "s@port === 443@port == 443@g" /opt/duniter/sources/node_modules/duniter-ui/public/cesium/dist_js/cesium*
-
-# Force Cesium to use local instance
+# Patch Cesium to access local instance
 sudo sed -i "s@\"host\".*@\"host\": \"$domain\",@" /opt/duniter/sources/node_modules/duniter-ui/public/cesium/config.js
 sudo sed -i "s@\"port\".*@\"port\": \"443\"@" /opt/duniter/sources/node_modules/duniter-ui/public/cesium/config.js
 }
@@ -35,7 +31,7 @@ else
 fi
 
 # Duniter is public app, with only some parts restricted in nginx.conf
-sudo yunohost app setting $app unprotected_uris -v "/"
+ynh_app_setting_set "$app" unprotected_uris "/"
 }
 
 CONFIG_NGINX_FOR_WEB_ADMIN () {
diff --git a/scripts/install b/scripts/install
index d49e17a..c187618 100755
--- a/scripts/install
+++ b/scripts/install
@@ -13,7 +13,7 @@ sync_port=$YNH_APP_ARG_SYNC_PORT
 salt=$YNH_APP_ARG_SALT
 password=$YNH_APP_ARG_PASSWORD
 admin=$YNH_APP_ARG_ADMIN
-is_cesium_public=YNH_APP_ARG_IS_CESIUM_PUBLIC
+is_cesium_public=$YNH_APP_ARG_IS_CESIUM_PUBLIC
 
 # Source app helpers and functions
 source /usr/share/yunohost/helpers