diff --git a/contrib/Makefile.am b/contrib/Makefile.am
index 3439c97..cfd0b15 100644
--- a/contrib/Makefile.am
+++ b/contrib/Makefile.am
@@ -1 +1,4 @@
-SUBDIRS = systemd
+SUBDIRS = \
+	systemd \
+	dgsm \
+	$(NULL)