dbus: properly generate UnknownInterface, UnknownProperty and PropertyReadOnly errors

1 files changed, 5 insertions, 1 deletions

diff --git a/src/dbus-timer.c b/src/dbus-timer.c
index eed05e6991..e44f4e2fea 100644
--- a/src/dbus-timer.c
+++ b/src/dbus-timer.c
@@ -42,6 +42,10 @@
         BUS_INTROSPECTABLE_INTERFACE                                    \
         "</node>\n"
 
+#define INTERFACES_LIST                              \
+        BUS_UNIT_INTERFACES_LIST                     \
+        "org.freedesktop.systemd1.Timer\0"
+
 const char bus_timer_interface[] _introspect_("Timer") = BUS_TIMER_INTERFACE;
 
 const char bus_timer_invalidating_properties[] =
@@ -118,5 +122,5 @@ DBusHandlerResult bus_timer_message_handler(Unit *u, DBusConnection *c, DBusMess
                 { NULL, NULL, NULL, NULL, NULL }
         };
 
-        return bus_default_message_handler(u->meta.manager, c, message, INTROSPECTION, properties);
+        return bus_default_message_handler(u->meta.manager, c, message, INTROSPECTION, INTERFACES_LIST, properties);
 }