diff --git a/src/conf/schemas/capability.rng b/src/conf/schemas/capability.rng
index c7e72c6f39..83b414961a 100644
--- a/src/conf/schemas/capability.rng
+++ b/src/conf/schemas/capability.rng
@@ -428,6 +428,7 @@
           <value>lxc</value>
           <value>openvz</value>
           <value>test</value>
+          <value>hvf</value>
         </choice>
       </attribute>