diff --git a/lib/internal/Magento/Framework/Data/Form/Element/Fieldset.php b/lib/internal/Magento/Framework/Data/Form/Element/Fieldset.php index 66b1299b98696..90482ab55fc71 100644 --- a/lib/internal/Magento/Framework/Data/Form/Element/Fieldset.php +++ b/lib/internal/Magento/Framework/Data/Form/Element/Fieldset.php @@ -43,7 +43,8 @@ public function __construct( */ public function getElementHtml() { - $html = '
serialize( + $html = $this->getBeforeElementHtml(); + $html .= '
serialize( ['class'] ) . $this->_getUiId() . '>' . "\n"; if ($this->getLegend()) {