diff --git a/scripts/install b/scripts/install
index 6167d38..b1ec2b7 100755
--- a/scripts/install
+++ b/scripts/install
@@ -46,6 +46,8 @@ ynh_script_progression --message="Storing installation settings..." --weight=1
 
 ynh_app_setting_set --app=$app --key=domain --value=$domain
 ynh_app_setting_set --app=$app --key=path --value=$path_url
+ynh_app_setting_set --app=$app --key=language --value=$language
+ynh_app_setting_set --app=$app --key=title --value=$title
 
 #=================================================
 # CREATE DEDICATED USER
diff --git a/scripts/upgrade b/scripts/upgrade
index 0e9d599..40692c8 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -19,6 +19,8 @@ app=$YNH_APP_INSTANCE_NAME
 domain=$(ynh_app_setting_get --app=$app --key=domain)
 path_url=$(ynh_app_setting_get --app=$app --key=path)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
+language=$(ynh_app_setting_get --app=$app --key=language)
+title=$(ynh_app_setting_get --app=$app --key=title)
 
 #=================================================
 # CHECK VERSION
@@ -40,18 +42,6 @@ ynh_clean_setup () {
 # Exit if an error occurs during the execution of the script
 ynh_abort_if_errors
 
-#=================================================
-# ENSURE DOWNWARD COMPATIBILITY
-#=================================================
-ynh_script_progression --message="Ensuring downward compatibility..." --weight=1
-
-# Cleaning legacy permissions
-if ynh_legacy_permissions_exists; then
-	ynh_legacy_permissions_delete_all
-
-	ynh_app_setting_delete --app=$app --key=is_public
-fi
-
 #=================================================
 # CREATE DEDICATED USER
 #=================================================
@@ -69,7 +59,7 @@ then
 	ynh_script_progression --message="Upgrading source files..." --weight=1
 
 	#Download, check integrity, uncompress and patch the source from app.src
-	ynh_setup_source --dest_dir="$final_path" --keep="$final_path/pages $final_path/configuration.ini"
+	ynh_setup_source --dest_dir="$final_path"
 fi
 
 chmod 750 "$final_path"
@@ -84,6 +74,16 @@ ynh_script_progression --message="Upgrading NGINX web server configuration..." -
 # Create a dedicated NGINX config
 ynh_add_nginx_config
 
+#=================================================
+# ADD A CONFIGURATION
+#=================================================
+ynh_script_progression --message="Adding a configuration file..." --weight=1
+
+ynh_add_config --template="../conf/configuration.ini" --destination="$final_path/configuration.ini"
+
+chmod 400 "$final_path/configuration.ini"
+chown $app "$final_path/configuration.ini"
+
 #=================================================
 # PHP-FPM CONFIGURATION
 #=================================================