diff --git a/mbone/Makefile b/mbone/Makefile
index 60c00b06c82..3a112ad74d7 100644
--- a/mbone/Makefile
+++ b/mbone/Makefile
@@ -1,9 +1,10 @@
-# $OpenBSD: Makefile,v 1.8 1999/09/03 16:35:26 angelos Exp $
+# $OpenBSD: Makefile,v 1.9 1999/09/04 01:55:38 angelos Exp $
 #
 
     SUBDIR += common
     SUBDIR += imm
     SUBDIR += nte
+    SUBDIR += rat
     SUBDIR += relate
     SUBDIR += rtptools
     SUBDIR += sdr