diff --git a/scripts/install b/scripts/install
index 1005880..375add7 100644
--- a/scripts/install
+++ b/scripts/install
@@ -178,9 +178,7 @@ ynh_replace_string --match_string="__APP__" --replace_string="$app" --target_fil
 # SETUP SSOWAT
 #=================================================
 ynh_script_progression --message="Configuring SSOwat..."
-
-# Set SSOwat rules
-ynh_app_setting_set $app unprotected_uris "/"
+ynh_permission_update --permission="main" --add="visitors"
 
 #=================================================
 # RELOAD NGINX
diff --git a/scripts/upgrade b/scripts/upgrade
index baa15cf..1170198 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -68,6 +68,16 @@ ynh_clean_setup () {
 # Exit if an error occurs during the execution of the script
 ynh_abort_if_errors
 
+#=================================================
+# Migrate legacy permissions to new system
+#=================================================
+if ynh_legacy_permissions_exists
+then
+	ynh_legacy_permissions_delete_all
+
+	ynh_app_setting_delete --app=$app --key=is_public
+fi
+
 #=================================================
 # CHECK THE PATH
 #=================================================