diff --git a/src/widgets/helper/ChannelView.cpp b/src/widgets/helper/ChannelView.cpp
index e68d7b8e..a1d69a5f 100644
--- a/src/widgets/helper/ChannelView.cpp
+++ b/src/widgets/helper/ChannelView.cpp
@@ -1110,8 +1110,10 @@ void ChannelView::drawMessages(QPainter &painter)
 
 void ChannelView::wheelEvent(QWheelEvent *event)
 {
-    if (event->orientation() != Qt::Vertical)
+    if (!event->angleDelta().y())
+    {
         return;
+    }
 
     if (event->modifiers() & Qt::ControlModifier)
     {
@@ -1124,7 +1126,7 @@ void ChannelView::wheelEvent(QWheelEvent *event)
         float mouseMultiplier = getSettings()->mouseScrollMultiplier;
 
         qreal desired = this->scrollBar_->getDesiredValue();
-        qreal delta = event->delta() * qreal(1.5) * mouseMultiplier;
+        qreal delta = event->angleDelta().y() * qreal(1.5) * mouseMultiplier;
 
         auto snapshot = this->getMessagesSnapshot();
         int snapshotLength = int(snapshot.size());
diff --git a/src/widgets/helper/NotebookTab.cpp b/src/widgets/helper/NotebookTab.cpp
index 56cba673..66bd9ef4 100644
--- a/src/widgets/helper/NotebookTab.cpp
+++ b/src/widgets/helper/NotebookTab.cpp
@@ -600,7 +600,7 @@ void NotebookTab::mouseMoveEvent(QMouseEvent *event)
 void NotebookTab::wheelEvent(QWheelEvent *event)
 {
     const auto defaultMouseDelta = 120;
-    const auto delta = event->delta();
+    const auto verticalDelta = event->angleDelta().y();
     const auto selectTab = [this](int delta) {
         delta > 0 ? this->notebook_->selectPreviousTab()
                   : this->notebook_->selectNextTab();
@@ -608,9 +608,9 @@ void NotebookTab::wheelEvent(QWheelEvent *event)
     // If it's true
     // Then the user uses the trackpad or perhaps the most accurate mouse
     // Which has small delta.
-    if (std::abs(delta) < defaultMouseDelta)
+    if (std::abs(verticalDelta) < defaultMouseDelta)
     {
-        this->mouseWheelDelta_ += delta;
+        this->mouseWheelDelta_ += verticalDelta;
         if (std::abs(this->mouseWheelDelta_) >= defaultMouseDelta)
         {
             selectTab(this->mouseWheelDelta_);
@@ -619,7 +619,7 @@ void NotebookTab::wheelEvent(QWheelEvent *event)
     }
     else
     {
-        selectTab(delta);
+        selectTab(verticalDelta);
     }
 }