diff --git a/lib/internal/Magento/Framework/View/Layout/etc/head.xsd b/lib/internal/Magento/Framework/View/Layout/etc/head.xsd
index c6bcc0c565949..de4250b0ddced 100644
--- a/lib/internal/Magento/Framework/View/Layout/etc/head.xsd
+++ b/lib/internal/Magento/Framework/View/Layout/etc/head.xsd
@@ -7,7 +7,7 @@
 -->
 <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema">
     <xs:complexType name="linkType">
-        <xs:attribute name="src" type="xs:string" use="required"/>
+        <xs:attribute name="src" type="xs:string"/>
         <xs:attribute name="defer" type="xs:string"/>
         <xs:attribute name="ie_condition" type="xs:string"/>
         <xs:attribute name="charset" type="xs:string"/>
@@ -20,6 +20,7 @@
         <xs:attribute name="type" type="xs:string"/>
         <xs:attribute name="order" type="xs:integer"/>
         <xs:attribute name="src_type" type="xs:string"/>
+        <xs:attribute name="href" type="xs:string"/>
         <xs:attribute name="integrity" type="xs:string"/>
         <xs:attribute name="crossorigin">
             <xs:simpleType>