diff --git a/src/plugins/platforms/cocoa/qnsview.mm b/src/plugins/platforms/cocoa/qnsview.mm
index cb6bc4c16a9..92254a49524 100644
--- a/src/plugins/platforms/cocoa/qnsview.mm
+++ b/src/plugins/platforms/cocoa/qnsview.mm
@@ -125,7 +125,7 @@
     bool m_sendKeyEvent;
     bool m_dontOverrideCtrlLMB;
     bool m_sendUpAsRightButton;
-    Qt::KeyboardModifiers currentWheelModifiers;
+    Qt::KeyboardModifiers m_currentWheelModifiers;
 #ifndef QT_NO_OPENGL
     QCocoaGLContext *m_glContext;
     bool m_shouldSetGLContextinDrawRect;
diff --git a/src/plugins/platforms/cocoa/qnsview_mouse.mm b/src/plugins/platforms/cocoa/qnsview_mouse.mm
index 1f04c40f8e4..1de256825a2 100644
--- a/src/plugins/platforms/cocoa/qnsview_mouse.mm
+++ b/src/plugins/platforms/cocoa/qnsview_mouse.mm
@@ -574,9 +574,8 @@
     // after scrolling in Qt Creator: not taking the phase into account causes
     // the end of the event stream to be interpreted as font size changes.
     NSEventPhase momentumPhase = [theEvent momentumPhase];
-    if (momentumPhase == NSEventPhaseNone) {
-        currentWheelModifiers = [QNSView convertKeyModifiers:[theEvent modifierFlags]];
-    }
+    if (momentumPhase == NSEventPhaseNone)
+        m_currentWheelModifiers = [QNSView convertKeyModifiers:[theEvent modifierFlags]];
 
     NSEventPhase phase = [theEvent phase];
     Qt::ScrollPhase ph = Qt::ScrollUpdate;
@@ -601,7 +600,7 @@
     bool isInverted  = [theEvent isDirectionInvertedFromDevice];
 
     qCDebug(lcQpaMouse) << "scroll wheel @ window pos" << qt_windowPoint << "delta px" << pixelDelta << "angle" << angleDelta << "phase" << ph << (isInverted ? "inverted" : "");
-    QWindowSystemInterface::handleWheelEvent(m_platformWindow->window(), qt_timestamp, qt_windowPoint, qt_screenPoint, pixelDelta, angleDelta, currentWheelModifiers, ph, source, isInverted);
+    QWindowSystemInterface::handleWheelEvent(m_platformWindow->window(), qt_timestamp, qt_windowPoint, qt_screenPoint, pixelDelta, angleDelta, m_currentWheelModifiers, ph, source, isInverted);
 }
 #endif // QT_CONFIG(wheelevent)