diff -r 41300fa6a67c -r 2f34d5167611 src/dbus/qdbusabstractinterface.cpp
--- a/src/dbus/qdbusabstractinterface.cpp	Tue Feb 02 00:43:10 2010 +0200
+++ b/src/dbus/qdbusabstractinterface.cpp	Fri Apr 16 15:50:13 2010 +0300
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation (qt-info@nokia.com)
 **
@@ -561,13 +561,7 @@
 
     QDBusConnectionPrivate *conn = d->connectionPrivate();
     if (conn) {
-        // do we know what our owner is?
-        QString owner;
-        if (!d->service.isEmpty() && d->currentOwner.isNull())
-            owner = QLatin1String("");
-        else
-            owner = d->currentOwner;
-        conn->connectRelay(d->service, owner, d->path, d->interface,
+        conn->connectRelay(d->service, d->path, d->interface,
                            this, signal);
     }
 }
@@ -585,7 +579,7 @@
 
     QDBusConnectionPrivate *conn = d->connectionPrivate();
     if (conn)
-        conn->disconnectRelay(d->service, d->currentOwner, d->path, d->interface,
+        conn->disconnectRelay(d->service, d->path, d->interface,
                               this, signal);
 }