=== modified file 'gio/gdbusproxy.c'
--- gio/gdbusproxy.c	2010-11-03 13:25:35 +0000
+++ gio/gdbusproxy.c	2011-03-01 22:06:22 +0000
@@ -1000,6 +1000,7 @@
           g_hash_table_remove_all (proxy->priv->properties);
 
           /* ... and finally emit the ::g-properties-changed signal */
+          g_variant_ref_sink (changed_properties);
           g_signal_emit (proxy, signals[PROPERTIES_CHANGED_SIGNAL],
                          0,
                          changed_properties,