diff --git a/src/widgets/kernel/qwindowcontainer.cpp b/src/widgets/kernel/qwindowcontainer.cpp
index 1770e60c2e1..dc35dee1a98 100644
--- a/src/widgets/kernel/qwindowcontainer.cpp
+++ b/src/widgets/kernel/qwindowcontainer.cpp
@@ -92,8 +92,11 @@ public:
         Q_Q(QWindowContainer);
         QWidget *p = q->parentWidget();
         while (p) {
-            if (qobject_cast<QMdiSubWindow *>(p) != 0
-                    || qobject_cast<QAbstractScrollArea *>(p) != 0) {
+            if (
+#ifndef QT_NO_MDIAREA
+                qobject_cast<QMdiSubWindow *>(p) != 0 ||
+#endif
+                qobject_cast<QAbstractScrollArea *>(p) != 0) {
                 q->winId();
                 usesNativeWidgets = true;
                 break;