Index: tools/dbusxml2qt3/methodgen.cpp
===================================================================
--- tools/dbusxml2qt3/methodgen.cpp	(Revision 805416)
+++ tools/dbusxml2qt3/methodgen.cpp	(Arbeitskopie)
@@ -1740,7 +1740,8 @@
     stream << "    for (; it != endIt; ++it)" << endl;
     stream << "    {" << endl;
     stream << "        QDBusObjectBase* interface = it.data();" << endl;
-    stream << "        delete interface;" << endl;
+    stream << "        if (interface != this)" << endl;
+    stream << "            delete interface;" << endl;
     stream << "    }" << endl;
     stream << "    interfaces.clear();" << endl;
     stream << "}" << endl;