diff --git a/src/Makefile.am b/src/Makefile.am
index 73ebca8..e5827e6 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -11,7 +11,9 @@
 	main.cpp \
 	propertywatch.cpp \
 	resolve_errors.cpp \
-	event_manager.cpp
+	event_manager.cpp \
+	event_serialize.cpp
+
 phosphor_dbus_monitor_LDADD = \
 	$(SDBUSPLUS_LIBS) \
 	$(PHOSPHOR_DBUS_INTERFACES_LIBS) \