diff --git a/Makefile.am b/Makefile.am
index ccdf95b..c9b28c2 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -51,7 +51,8 @@
 libhostservice_LTLIBRARIES = libhostservice.la
 libhostservice_la_SOURCES = \
 	host-services.cpp \
-	host-interface.cpp
+	host-interface.cpp \
+	utils.cpp
 libhostservice_la_LDFLAGS = $(SYSTEMD_LIBS) \
                             $(libmapper_LIBS) \
                             $(PHOSPHOR_DBUS_INTERFACES_LIBS) \