);
// Add stylesheet for installation
-if ((basename($_SERVER['PHP_SELF']) == "install.php") || (!defined('mxchange_installed')) || (isset($_GET['installing']))) $STYLES[] = "install.css";
+if ((basename($_SERVER['PHP_SELF']) == "install.php") || (!isBooleanConstantAndTrue('mxchange_installed')) || (isset($_GET['installing']))) $STYLES[] = "install.css";
// When no CSS output-mode is set, set it to file-output
if (empty($_CONFIG['css_php'])) $_CONFIG['css_php'] = "FILE";