diff --git a/lib/internal/Magento/Framework/View/Layout/etc/elements.xsd b/lib/internal/Magento/Framework/View/Layout/etc/elements.xsd
index 39cdec05a65ea..6486b39070788 100755
--- a/lib/internal/Magento/Framework/View/Layout/etc/elements.xsd
+++ b/lib/internal/Magento/Framework/View/Layout/etc/elements.xsd
@@ -313,6 +313,7 @@
         </xs:choice>
         <xs:attribute type="elementNameType" name="name" use="required"/>
         <xs:attribute type="xs:string" name="template" use="optional"/>
+        <xs:attribute type="xs:string" name="class" use="optional"/>
         <xs:attribute type="xs:boolean" name="display" default="true" use="optional"/>
         <xs:attribute type="xs:boolean" name="remove" use="optional"/>
     </xs:complexType>