diff --git a/Makefile.am b/Makefile.am
index 066dd33..57734d1 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -8,7 +8,8 @@
 	epoch_base.cpp \
 	bmc_epoch.cpp \
 	host_epoch.cpp \
-	manager.cpp
+	manager.cpp \
+	utils.cpp
 
 phosphor_timemanager_SOURCES = \
 	main.cpp