diff --git a/Makefile.am b/Makefile.am
index 4b4cf02..3eef41a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -5,7 +5,8 @@
 noinst_LTLIBRARIES = libtimemanager.la
 
 libtimemanager_la_SOURCES = \
-	epoch_base.cpp
+	epoch_base.cpp \
+	bmc_epoch.cpp
 
 phosphor_timemanager_SOURCES = \
 	main.cpp