}
} else {
$skinHtml .=
- $this->parent->getWarningBox( wfMessage( 'config-skins-missing' )->plain() ) .
+ Html::warningBox( wfMessage( 'config-skins-missing' )->plain(), 'config-warning-box' ) .
Html::hidden( 'config_wgDefaultSkin', $chosenSkinName );
}