Edit file File name : registration_packages_settings.js Content :(function ($) { "use strict"; $('body').on('change', '#showPackagesDuringRegistrationSwitch', function (e) { var $forceUserSelectPackageSwitch = $('#forceUserSelectPackageSwitch'); if (this.checked) { $forceUserSelectPackageSwitch.prop('disabled', false); } else { $forceUserSelectPackageSwitch.prop('checked', false); $forceUserSelectPackageSwitch.prop('disabled', true); } }); })(jQuery); Save