diff --git a/src/qt/qt_rendererstack.cpp b/src/qt/qt_rendererstack.cpp
index d594b94f0..fd22b5173 100644
--- a/src/qt/qt_rendererstack.cpp
+++ b/src/qt/qt_rendererstack.cpp
@@ -200,7 +200,11 @@ RendererStack::mousePressEvent(QMouseEvent *event)
 void
 RendererStack::wheelEvent(QWheelEvent *event)
 {
-    mouse_set_z(event->pixelDelta().y());
+    double numSteps = (double) event->angleDelta().y() / 120.0;
+
+    mouse_set_z((int) numSteps);
+
+    event->accept();
 }
 
 void