diff --git a/sdrgui/gui/glspectrum.cpp b/sdrgui/gui/glspectrum.cpp
index 2d0936194..885610884 100644
--- a/sdrgui/gui/glspectrum.cpp
+++ b/sdrgui/gui/glspectrum.cpp
@@ -3674,7 +3674,7 @@ void GLSpectrum::channelMarkerMove(QWheelEvent *event, int mul)
             continue;
         }
 
-        if (m_channelMarkerStates[i]->m_rect.contains(event->pos()))
+        if (m_channelMarkerStates[i]->m_rect.contains(event->position()))
         {
             int freq = m_channelMarkerStates[i]->m_channelMarker->getCenterFrequency();
 
diff --git a/sdrgui/gui/glspectrum.h b/sdrgui/gui/glspectrum.h
index de68c9e45..3e8200f0b 100644
--- a/sdrgui/gui/glspectrum.h
+++ b/sdrgui/gui/glspectrum.h
@@ -213,7 +213,7 @@ private:
         QMatrix4x4 m_glMatrixDsbFreqScale;
         QMatrix4x4 m_glMatrixHistogram;
         QMatrix4x4 m_glMatrixDsbHistogram;
-        QRect m_rect;
+        QRectF m_rect;
 
         ChannelMarkerState(ChannelMarker* channelMarker) :
             m_channelMarker(channelMarker)
diff --git a/sdrgui/gui/graphicsviewzoom.cpp b/sdrgui/gui/graphicsviewzoom.cpp
index 29b317abf..a210cfb07 100644
--- a/sdrgui/gui/graphicsviewzoom.cpp
+++ b/sdrgui/gui/graphicsviewzoom.cpp
@@ -70,7 +70,7 @@ bool GraphicsViewZoom::eventFilter(QObject *object, QEvent *event)
         QWheelEvent* wheelEvent = static_cast<QWheelEvent*>(event);
         if (QApplication::keyboardModifiers() == m_modifiers)
         {
-            if (wheelEvent->orientation() == Qt::Vertical)
+            if (wheelEvent->angleDelta().y() != 0)
             {
                 double angle = wheelEvent->angleDelta().y();
                 double factor = qPow(m_zoomFactorBase, angle);
diff --git a/sdrgui/gui/valuedial.cpp b/sdrgui/gui/valuedial.cpp
index e01d1ad39..169398fea 100644
--- a/sdrgui/gui/valuedial.cpp
+++ b/sdrgui/gui/valuedial.cpp
@@ -367,7 +367,7 @@ void ValueDial::mouseMoveEvent(QMouseEvent *event)
 void ValueDial::wheelEvent(QWheelEvent *event)
 {
     int i;
-    i = (event->x() - 1) / m_digitWidth;
+    i = (event->position().x() - 1) / m_digitWidth;
 
     if (m_text[i] != m_groupSeparator) {
         m_hightlightedDigit = i;
@@ -386,7 +386,7 @@ void ValueDial::wheelEvent(QWheelEvent *event)
 
     if (m_animationState == 0)
     {
-        if (event->delta() < 0)
+        if (event->angleDelta().y() < 0)
         {
             if (event->modifiers() & Qt::ShiftModifier) {
                 e *= 5;
diff --git a/sdrgui/gui/valuedialz.cpp b/sdrgui/gui/valuedialz.cpp
index 740fde6b2..7dc13da76 100644
--- a/sdrgui/gui/valuedialz.cpp
+++ b/sdrgui/gui/valuedialz.cpp
@@ -414,7 +414,7 @@ void ValueDialZ::wheelEvent(QWheelEvent* event)
 {
     int i;
 
-    i = (event->x() - 1) / m_digitWidth;
+    i = (event->position().x() - 1) / m_digitWidth;
 
     if ((m_text[i] != m_groupSeparator) && (m_text[i] != m_decSeparator)) {
         m_hightlightedDigit = i;
@@ -439,7 +439,7 @@ void ValueDialZ::wheelEvent(QWheelEvent* event)
         {
             qint64 e = findExponent(m_hightlightedDigit);
 
-            if(event->delta() < 0)
+            if(event->angleDelta().y() < 0)
             {
                 if (event->modifiers() & Qt::ShiftModifier) {
                     e *= 5;