diff --git a/src/widgets/widgets/qmenu.cpp b/src/widgets/widgets/qmenu.cpp
index 0d2cea6c8ab..d21bf6f7507 100644
--- a/src/widgets/widgets/qmenu.cpp
+++ b/src/widgets/widgets/qmenu.cpp
@@ -2457,8 +2457,10 @@ void QMenuPrivate::popup(const QPoint &p, QAction *atAction, PositionFunction po
         return;
     }
 
+    // Note that QGuiApplicationPrivate::lastCursorPosition isn't a QPointF,
+    // so these two statements can't be simplified...
     const QPoint mouse = QGuiApplicationPrivate::lastCursorPosition.toPoint();
-    mousePopupPos = mouse;
+    mousePopupPos = QGuiApplicationPrivate::lastCursorPosition;
     const bool snapToMouse = !causedPopup.widget && (QRect(p.x() - 3, p.y() - 3, 6, 6).contains(mouse));
 
     if (adjustToDesktop) {
diff --git a/src/widgets/widgets/qmenu_p.h b/src/widgets/widgets/qmenu_p.h
index 27648761b0e..d8c741ae7c6 100644
--- a/src/widgets/widgets/qmenu_p.h
+++ b/src/widgets/widgets/qmenu_p.h
@@ -326,7 +326,7 @@ public:
 
     //selection
     static QMenu *mouseDown;
-    QPoint mousePopupPos;
+    QPointF mousePopupPos;
 
     QAction *currentAction = nullptr;
 #ifdef QT_KEYPAD_NAVIGATION