diff --git a/src/kmplayerpartbase.cpp b/src/kmplayerpartbase.cpp
index de523bd..95b92e3 100644
--- a/src/kmplayerpartbase.cpp
+++ b/src/kmplayerpartbase.cpp
@@ -733,7 +733,7 @@ void PartBase::record () {
 
 void PartBase::play () {
     if (!m_process || !m_view) return;
-    TQPushButton * pb = ::tqqt_cast <TQPushButton *> (sender ());
+    TQPushButton * pb = ::tqt_cast <TQPushButton *> (sender ());
     if (pb && !pb->isOn ()) {
         stop ();
         return;
@@ -816,7 +816,7 @@ KDE_NO_EXPORT void PartBase::posSliderPressed () {
 
 KDE_NO_EXPORT void PartBase::posSliderReleased () {
     m_bPosSliderPressed=false;
-    const TQSlider * posSlider = ::tqqt_cast<const TQSlider *> (sender ());
+    const TQSlider * posSlider = ::tqt_cast<const TQSlider *> (sender ());
     if (posSlider)
         m_process->seek (posSlider->value(), true);
 }
@@ -858,7 +858,7 @@ KDE_NO_EXPORT void PartBase::sourceHasChangedAspects () {
 }
 
 KDE_NO_EXPORT void PartBase::positionValueChanged (int pos) {
-    TQSlider * slider = ::tqqt_cast <TQSlider *> (sender ());
+    TQSlider * slider = ::tqt_cast <TQSlider *> (sender ());
     if (slider && slider->isEnabled ())
         m_process->seek (pos, true);
 }