diff --git a/src/plugins/platforms/windows/qwindowscontext.cpp b/src/plugins/platforms/windows/qwindowscontext.cpp
index 9397c0213e..916594714c 100644
--- a/src/plugins/platforms/windows/qwindowscontext.cpp
+++ b/src/plugins/platforms/windows/qwindowscontext.cpp
@@ -733,6 +733,8 @@ static inline bool findPlatformWindowHelper(const POINT &screenPoint, unsigned c
     if (!(cwexFlags & CWP_SKIPTRANSPARENT)
         && (GetWindowLongPtr(child, GWL_EXSTYLE) & WS_EX_TRANSPARENT)) {
         const HWND nonTransparentChild = ChildWindowFromPointEx(*hwnd, point, cwexFlags | CWP_SKIPTRANSPARENT);
+        if (!nonTransparentChild || nonTransparentChild == *hwnd)
+            return false;
         if (QWindowsWindow *nonTransparentWindow = context->findPlatformWindow(nonTransparentChild)) {
             *result = nonTransparentWindow;
             *hwnd = nonTransparentChild;