diff --git a/ubi/Makefile.am.include b/ubi/Makefile.am.include
index fba30d9..a836661 100644
--- a/ubi/Makefile.am.include
+++ b/ubi/Makefile.am.include
@@ -1,2 +1,3 @@
 openpower_update_manager_SOURCES += \
-	%reldir%/item_updater_ubi.cpp
+	%reldir%/item_updater_ubi.cpp \
+	%reldir%/watch.cpp