diff --git a/xep-0060.xml b/xep-0060.xml
index 937af9f1..796a39c3 100644
--- a/xep-0060.xml
+++ b/xep-0060.xml
@@ -6794,6 +6794,7 @@ xmpp:pubsub.shakespeare.lit?pubsub;action=retrieve;node=princely_musings
   <xs:element name='payload-too-big' type='empty'/>
   <xs:element name='payload-required' type='empty'/>
   <xs:element name='pending-subscription' type='empty'/>
+  <xs:element name='precondition-not-met' type='empty'/>
   <xs:element name='presence-subscription-required' type='empty'/>
   <xs:element name='subid-required' type='empty'/>
   <xs:element name='too-many-subscriptions' type='empty'/>