diff --git a/tabbox/tabboxhandler.cpp b/tabbox/tabboxhandler.cpp
--- a/tabbox/tabboxhandler.cpp
+++ b/tabbox/tabboxhandler.cpp
@@ -527,7 +527,7 @@
     if (!d->m_mainItem || !d->window()) {
         return;
     }
-    const QList<QQuickItem*> items = d->window()->contentItem()->findChildren<QQuickItem*>(QString(), Qt::FindDirectChildrenOnly);
+    const QList<QQuickItem*> items = d->window()->findChildren<QQuickItem*>(QString(), Qt::FindDirectChildrenOnly);
     for (QQuickItem *item : items) {
         d->window()->sendEvent(item, event);
         if (event->isAccepted()) {