diff --git a/power-sequencer/Makefile.am b/power-sequencer/Makefile.am
index 27fc0d0..9309999 100644
--- a/power-sequencer/Makefile.am
+++ b/power-sequencer/Makefile.am
@@ -7,7 +7,9 @@
 witherspoon_pseq_monitor_SOURCES = \
 	argument.cpp \
 	main.cpp \
-	pgood_monitor.cpp
+	pgood_monitor.cpp \
+	ucd90160.cpp \
+	ucd90160_defs.cpp
 
 witherspoon_pseq_monitor_LDADD = \
 	$(top_builddir)/libpower.la \