diff --git a/build/mac/NGLayoutBuildList.pm b/build/mac/NGLayoutBuildList.pm
index 6577b08cadb..0faf4a3becc 100644
--- a/build/mac/NGLayoutBuildList.pm
+++ b/build/mac/NGLayoutBuildList.pm
@@ -325,6 +325,7 @@ sub BuildDist()
    
     #RDF
     InstallFromManifest(":mozilla:rdf:base:public:MANIFEST",						"$distdirectory:rdf:");
+    InstallFromManifest(":mozilla:rdf:util:public:MANIFEST",						"$distdirectory:rdf:");
     InstallFromManifest(":mozilla:rdf:content:public:MANIFEST",						"$distdirectory:rdf:");
     InstallFromManifest(":mozilla:rdf:datasource:public:MANIFEST",					"$distdirectory:rdf:");
     InstallFromManifest(":mozilla:rdf:build:MANIFEST",								"$distdirectory:rdf:");