diff --git a/Makefile.am b/Makefile.am
index 3d369a0..ede9703 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -4,10 +4,14 @@
 liboemhandler_la_SOURCES = oemhandler.cpp \
                            host-interface.cpp \
                            local_users.cpp \
-                           org/open_power/OCC/Metrics/error.cpp
+                           org/open_power/OCC/Metrics/error.cpp \
+                           inventory-sensor.cpp
 
 BUILT_SOURCES = org/open_power/OCC/Metrics/error.hpp \
-                org/open_power/OCC/Metrics/error.cpp
+                org/open_power/OCC/Metrics/error.cpp \
+                inventory-sensor.cpp
+
+CLEANFILES = $(BUILT_SOURCES)
 
 liboemhandler_la_LDFLAGS = $(SYSTEMD_LIBS)\
                            $(SDBUSPLUS_LIBS) \
@@ -28,3 +32,6 @@
 org/open_power/OCC/Metrics/error.cpp: ${top_srcdir}/org/open_power/OCC/Metrics.errors.yaml
 	@mkdir -p `dirname $@`
 	$(SDBUSPLUSPLUS) -r $(top_srcdir) error exception-cpp org.open_power.OCC.Metrics > $@
+
+inventory-sensor.cpp:
+	$(AM_V_GEN)@INVSENSORGEN@ -o $(top_builddir) generate-cpp