diff --git a/Makefile.am b/Makefile.am
index f74872dc0..7895be2ec 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -99,7 +99,8 @@ plugins_netlink_la_CFLAGS = -fvisibility=hidden @DBUS_CFLAGS@ \
 					@GLIB_CFLAGS@ @NETLINK_CFLAGS@
 endif
 
-gdbus_sources = gdbus/gdbus.h gdbus/mainloop.c gdbus/object.c gdbus/watch.c
+gdbus_sources = gdbus/gdbus.h gdbus/mainloop.c gdbus/watch.c \
+					gdbus/object.c gdbus/polkit.c
 
 builtin_modules =
 builtin_sources =