diff --git a/rdf/content/public/MANIFEST b/rdf/content/public/MANIFEST
index bf04873996b..51bf63beecf 100644
--- a/rdf/content/public/MANIFEST
+++ b/rdf/content/public/MANIFEST
@@ -1,3 +1,4 @@
 nsIRDFContent.h
 nsIRDFContentModelBuilder.h
 nsIRDFDocument.h
+nsIDOMXULNode.h