1 files changed, 5 insertions, 1 deletions
diff --git a/src/quick/scenegraph/qsgrenderloop.cpp b/src/quick/scenegraph/qsgrenderloop.cpp
index b4cfd1c514..73b64b4f9b 100644
--- a/src/quick/scenegraph/qsgrenderloop.cpp
+++ b/src/quick/scenegraph/qsgrenderloop.cpp
@@ -93,8 +93,12 @@ void QSGRenderLoop::cleanup()
     foreach (QQuickWindow *w, s_instance->windows()) {
         QQuickWindowPrivate *wd = QQuickWindowPrivate::get(w);
         if (wd->windowManager == s_instance) {
+           // windowDestroyed() triggers a sendPostedEvent(DeferredDelete),
+           // so wd will be null if the window was deleteLater()'ed
+           bool wasDeleted = wd->wasDeleted;
            s_instance->windowDestroyed(w);
-           wd->windowManager = 0;
+           if (!wasDeleted)
+               wd->windowManager = 0;
         }
     }
     delete s_instance;