@@ -, +, @@ 
 right signature
---
 test/core/my-object.c |    6 ++++--
 test/core/my-object.h |    3 ++-
 2 files changed, 6 insertions(+), 3 deletions(-)
--- a/test/core/my-object.c	
+++ a/test/core/my-object.c	
@@ -859,10 +859,12 @@ my_object_async_throw_error (MyObject *obj, DBusGMethodInvocation *context)
   g_idle_add ((GSourceFunc) do_async_error,  data);
 }
 
-void
-my_object_unsafe_disable_legacy_property_access (MyObject *obj)
+gboolean
+my_object_unsafe_disable_legacy_property_access (MyObject *obj,
+    GError **error)
 {
   dbus_glib_global_set_disable_legacy_property_access ();
+  return TRUE;
 }
 
 extern GMainLoop *loop;
--- a/test/core/my-object.h	
+++ a/test/core/my-object.h	
@@ -116,7 +116,8 @@ void my_object_async_increment (MyObject *obj, gint32 x, DBusGMethodInvocation *
 
 void my_object_async_throw_error (MyObject *obj, DBusGMethodInvocation *context);
 
-void my_object_unsafe_disable_legacy_property_access (MyObject *obj);
+gboolean my_object_unsafe_disable_legacy_property_access (MyObject *obj,
+    GError **error);
 
 void my_object_emit_objectified (MyObject *obj, GObject *other);
 
--