diff --git a/libk3b/core/k3bcore.cpp b/libk3b/core/k3bcore.cpp
index 29a60e3..20ed3c7 100644
--- a/libk3b/core/k3bcore.cpp
+++ b/libk3b/core/k3bcore.cpp
@@ -127,7 +127,7 @@ K3bCore::K3bCore( TQObject* parent, const char* name )
   d = new Private();
 
   if( s_k3bCore )
-    qFatal("ONLY ONE INSTANCE OF K3BCORE ALLOWED!");
+    tqFatal("ONLY ONE INSTANCE OF K3BCORE ALLOWED!");
   s_k3bCore = this;
 
   // create the thread widget instance in the GUI thread
diff --git a/src/k3bdebuggingoutputdialog.cpp b/src/k3bdebuggingoutputdialog.cpp
index dee77c1..47b88d0 100644
--- a/src/k3bdebuggingoutputdialog.cpp
+++ b/src/k3bdebuggingoutputdialog.cpp
@@ -114,7 +114,7 @@ void K3bDebuggingOutputDialog::clear()
 
   addOutput( "System", "K3b Version: " + k3bcore->version() );
   addOutput( "System", "KDE Version: " + TQString(KDE::versionString()) );
-  addOutput( "System", "QT Version:  " + TQString(qVersion()) );
+  addOutput( "System", "QT Version:  " + TQString(tqVersion()) );
   addOutput( "System", "Kernel:      " + K3b::kernelVersion() );
   
   // devices in the logfile
diff --git a/src/k3bdebuggingoutputfile.cpp b/src/k3bdebuggingoutputfile.cpp
index b33c228..81df765 100644
--- a/src/k3bdebuggingoutputfile.cpp
+++ b/src/k3bdebuggingoutputfile.cpp
@@ -42,7 +42,7 @@ bool K3bDebuggingOutputFile::open()
 
   addOutput( "System", "K3b Version: " + k3bcore->version() );
   addOutput( "System", "KDE Version: " + TQString(KDE::versionString()) );
-  addOutput( "System", "QT Version:  " + TQString(qVersion()) );
+  addOutput( "System", "QT Version:  " + TQString(tqVersion()) );
   addOutput( "System", "Kernel:      " + K3b::kernelVersion() );
   
   // devices in the logfile