diff --git a/Makefile.am b/Makefile.am
index fd4cd96..87250db 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -34,4 +34,4 @@
 	@mkdir -p `dirname $@`
 	$(SDBUSPLUSPLUS) -r $(srcdir) error exception-cpp org.open_power.Witherspoon.Fault > $@
 
-SUBDIRS = . power-sequencer power-supply test
+SUBDIRS = . power-sequencer power-supply test power-supply/test