diff --git a/src/plugins/platforms/windows/qwindowsintegration.cpp b/src/plugins/platforms/windows/qwindowsintegration.cpp
index debe6dd131..f033e4235c 100644
--- a/src/plugins/platforms/windows/qwindowsintegration.cpp
+++ b/src/plugins/platforms/windows/qwindowsintegration.cpp
@@ -313,7 +313,7 @@ QPlatformWindow *QWindowsIntegration::createPlatformWindow(QWindow *window) cons
     if (window->type() == Qt::ForeignWindow) {
         const HWND hwnd = reinterpret_cast<HWND>(window->winId());
         if (!IsWindow(hwnd)) {
-           qWarning("Windows QPA: Invalid foreign window ID %p.");
+           qWarning("Windows QPA: Invalid foreign window ID %p.", hwnd);
            return nullptr;
         }
         QWindowsForeignWindow *result = new QWindowsForeignWindow(window, hwnd);