diff --git a/Makefile b/Makefile
index d44c3c75..e5955472 100644
--- a/Makefile
+++ b/Makefile
@@ -35,6 +35,7 @@ SUBDIRS = inst/pre \
 		YOsc \
 		lib include bin \
 		util \
+		conf \
 		inst/post
 
 include $(TOPDIR)/make/proj.mk