diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
index 22bbd4608e..b8fbcf9d66 100644
--- a/docs/schemas/domaincommon.rng
+++ b/docs/schemas/domaincommon.rng
@@ -192,6 +192,7 @@
           <ref name="hvmmips"/>
           <ref name="hvmsparc"/>
           <ref name="hvmppc"/>
+          <ref name="hvmppc64"/>
         </choice>
       </optional>
       <value>hvm</value>
@@ -262,6 +263,22 @@
       </optional>
     </group>
   </define>
+  <define name="hvmppc64">
+    <group>
+      <optional>
+        <attribute name="arch">
+          <value>ppc64</value>
+        </attribute>
+      </optional>
+      <optional>
+        <attribute name="machine">
+          <choice>
+            <value>pseries</value>
+          </choice>
+        </attribute>
+      </optional>
+    </group>
+  </define>
   <define name="osexe">
     <element name="os">
       <element name="type">