diff --git a/kdesktop/KBackgroundIface.h b/kdesktop/KBackgroundIface.h
index 47818021a..0753b54aa 100644
--- a/kdesktop/KBackgroundIface.h
+++ b/kdesktop/KBackgroundIface.h
@@ -8,11 +8,13 @@
 #include <dcopobject.h>
 #include <tqcolor.h>
 
-class KBackgroundIface : virtual public DCOPObject
+class KBackgroundIface : public DCOPObject
 {
     K_DCOP
 public:
 
+    KBackgroundIface() : DCOPObject("KBackgroundIface") {}
+
 k_dcop:
     /** Reread the configuration */
     virtual void configure() = 0;
diff --git a/kdesktop/bgmanager.cc b/kdesktop/bgmanager.cc
index efabdbf2e..a3f58c2eb 100644
--- a/kdesktop/bgmanager.cc
+++ b/kdesktop/bgmanager.cc
@@ -60,7 +60,7 @@ extern KDesktopApp *myApp;
 /**** KBackgroundManager ****/
 
 KBackgroundManager::KBackgroundManager(TQWidget *desktop, KWinModule* kwinModule)
-    : DCOPObject("KBackgroundIface")
+    : KBackgroundIface()
 {
     if( !properties_inited )
     {
diff --git a/kdesktop/bgmanager.h b/kdesktop/bgmanager.h
index 485d6520b..4e15b8df5 100644
--- a/kdesktop/bgmanager.h
+++ b/kdesktop/bgmanager.h
@@ -55,7 +55,7 @@ struct KBackgroundCacheEntry
 
 class KBackgroundManager
     : public TQObject,
-      virtual public KBackgroundIface
+      public KBackgroundIface
 {
     Q_OBJECT
     TQ_OBJECT
diff --git a/kdesktop/krootwm.cc b/kdesktop/krootwm.cc
index 2ea6fa87c..3805e5c81 100644
--- a/kdesktop/krootwm.cc
+++ b/kdesktop/krootwm.cc
@@ -69,7 +69,7 @@ KRootWm * KRootWm::s_rootWm = 0;
 
 extern TQCString kdesktop_name, kicker_name, kwin_name;
 
-KRootWm::KRootWm(KDesktop* _desktop) : TQObject(_desktop)
+KRootWm::KRootWm(KDesktop* _desktop) : TQObject(_desktop), startup(FALSE)
 {
   s_rootWm = this;
   m_actionCollection = new KActionCollection(_desktop, this, "KRootWm::m_actionCollection");