diff --git a/mail/base/content/messenger.xul b/mail/base/content/messenger.xul
index 9904d7e48f76..e7cb42d2284e 100644
--- a/mail/base/content/messenger.xul
+++ b/mail/base/content/messenger.xul
@@ -171,6 +171,7 @@
             <conditions>
               <content uri="?container"/> 
               <member container="?container" child="?member" />
+              <triple subject="?member" predicate="http://home.netscape.com/NC-rdf#IsDeferred" object="false"/>
             </conditions>
 
             <bindings>