1 files changed, 3 insertions, 2 deletions
diff --git a/src/gui/kernel/qplatformscreen.cpp b/src/gui/kernel/qplatformscreen.cpp
index 1b1631bf3f..0369a0b12a 100644
--- a/src/gui/kernel/qplatformscreen.cpp
+++ b/src/gui/kernel/qplatformscreen.cpp
@@ -54,8 +54,9 @@ QPixmap QPlatformScreen::grabWindow(WId window, int x, int y, int width, int hei
 QWindow *QPlatformScreen::topLevelAt(const QPoint & pos) const
 {
     const QWindowList list = QGuiApplication::topLevelWindows();
-    for (int i = list.size()-1; i >= 0; --i) {
-        QWindow *w = list[i];
+    const auto crend = list.crend();
+    for (auto it = list.crbegin(); it != crend; ++it) {
+        QWindow *w = *it;
         if (w->isVisible() && QHighDpi::toNativePixels(w->geometry(), w).contains(pos))
             return w;
     }