diff -up at-spi2-core-1.91.93/registryd/registry-main.c.endsessionresponse at-spi2-core-1.91.93/registryd/registry-main.c

--- at-spi2-core-1.91.93/registryd/registry-main.c.endsessionresponse	2011-04-01 00:17:47.080690638 -0400

+++ at-spi2-core-1.91.93/registryd/registry-main.c	2011-04-01 00:17:16.184076898 -0400

@@ -107,7 +107,7 @@ end_session_response (gboolean is_okay, 

                 reason = "";

         ret = g_dbus_proxy_call_sync (client_proxy, "EndSessionResponse",

-                                      g_variant_new ("(us)", is_okay, reason),

+                                      g_variant_new ("(bs)", is_okay, reason),

                                       0, 1000, NULL, &error);

         if (!ret) {