diff --git a/akregator/src/articleviewer.cpp b/akregator/src/articleviewer.cpp
index 1b89d87a..229b197b 100644
--- a/akregator/src/articleviewer.cpp
+++ b/akregator/src/articleviewer.cpp
@@ -174,8 +174,8 @@ ArticleViewer::ArticleViewer(TQWidget *parent, const char *name)
     
     connect(this, TQT_SIGNAL(selectionChanged()), this, TQT_SLOT(slotSelectionChanged()));
 
-    connect(kapp, TQT_SIGNAL(kdisplayPaletteChanged()), this, TQT_SLOT(slotPaletteOrFontChanged()) );
-    connect(kapp, TQT_SIGNAL(kdisplayFontChanged()), this, TQT_SLOT(slotPaletteOrFontChanged()) );
+    connect(kapp, TQT_SIGNAL(tdedisplayPaletteChanged()), this, TQT_SLOT(slotPaletteOrFontChanged()) );
+    connect(kapp, TQT_SIGNAL(tdedisplayFontChanged()), this, TQT_SLOT(slotPaletteOrFontChanged()) );
     
     m_imageDir.setPath(TDEGlobal::dirs()->saveLocation("cache", "akregator/Media/"));
     m_htmlFooter = "</body></html>";
diff --git a/kmail/accountdialog.cpp b/kmail/accountdialog.cpp
index 6090f41e..b1856bee 100644
--- a/kmail/accountdialog.cpp
+++ b/kmail/accountdialog.cpp
@@ -457,7 +457,7 @@ void AccountDialog::makeLocalAccountPage()
   mLocal.identityLabel->setBuddy( mLocal.identityCombo );
   topLayout->addWidget( mLocal.identityCombo, 10, 1 );
 
-  connect(kapp,TQT_SIGNAL(kdisplayFontChanged()),TQT_SLOT(slotFontChanged()));
+  connect(kapp,TQT_SIGNAL(tdedisplayFontChanged()),TQT_SLOT(slotFontChanged()));
 }
 
 void AccountDialog::makeMaildirAccountPage()
@@ -557,7 +557,7 @@ void AccountDialog::makeMaildirAccountPage()
   mMaildir.identityLabel->setBuddy( mMaildir.identityCombo );
   topLayout->addWidget( mMaildir.identityCombo, 9, 1 );
 
-  connect(kapp,TQT_SIGNAL(kdisplayFontChanged()),TQT_SLOT(slotFontChanged()));
+  connect(kapp,TQT_SIGNAL(tdedisplayFontChanged()),TQT_SLOT(slotFontChanged()));
 }
 
 
@@ -823,7 +823,7 @@ void AccountDialog::makePopAccountPage()
 
   vlay->addStretch();
 
-  connect(kapp,TQT_SIGNAL(kdisplayFontChanged()),TQT_SLOT(slotFontChanged()));
+  connect(kapp,TQT_SIGNAL(tdedisplayFontChanged()),TQT_SLOT(slotFontChanged()));
 }
 
 
@@ -1130,7 +1130,7 @@ void AccountDialog::makeImapAccountPage( bool connected )
   mSieveConfigEditor->layout()->setMargin( KDialog::marginHint() );
   tabWidget->addTab( mSieveConfigEditor, i18n("&Filtering") );
 
-  connect(kapp,TQT_SIGNAL(kdisplayFontChanged()),TQT_SLOT(slotFontChanged()));
+  connect(kapp,TQT_SIGNAL(tdedisplayFontChanged()),TQT_SLOT(slotFontChanged()));
 }
 
 
diff --git a/kontact/plugins/summary/summaryview_part.cpp b/kontact/plugins/summary/summaryview_part.cpp
index 41ef1eec..c968e5f8 100644
--- a/kontact/plugins/summary/summaryview_part.cpp
+++ b/kontact/plugins/summary/summaryview_part.cpp
@@ -77,7 +77,7 @@ SummaryViewPart::SummaryViewPart( Kontact::Core *core, const char*,
 
   initGUI( core );
 
-  connect( kapp, TQT_SIGNAL( kdisplayPaletteChanged() ), TQT_SLOT( slotAdjustPalette() ) );
+  connect( kapp, TQT_SIGNAL( tdedisplayPaletteChanged() ), TQT_SLOT( slotAdjustPalette() ) );
   slotAdjustPalette();
 
   setDate( TQDate::currentDate() );