// Free memory
SQL_FREERESULT($result);
- } elseif ((!mxchange_installed) && ((mxchange_installing) || ($CSS == true)) && ((!empty($_GET['theme'])) || (!empty($_POST['theme'])))) {
+ } elseif ((!isBooleanConstantAndTrue('mxchange_installed')) && ((isBooleanConstantAndTrue('mxchange_installing')) || ($CSS == true)) && ((!empty($_GET['theme'])) || (!empty($_POST['theme'])))) {
// Prepare FQFN for checking
$theme = sprintf("%stheme/%s/theme.php", PATH, $_GET['theme']);