diff --git a/src/lib/plugins/qml/api/sidebar/qmlsidebar.cpp b/src/lib/plugins/qml/api/sidebar/qmlsidebar.cpp
--- a/src/lib/plugins/qml/api/sidebar/qmlsidebar.cpp
+++ b/src/lib/plugins/qml/api/sidebar/qmlsidebar.cpp
@@ -153,6 +153,7 @@
 
     QQuickWidget *widget = new QQuickWidget();
     widget->setContent(m_item->url(), m_item, m_item->create(m_item->creationContext()));
+    widget->setResizeMode(QQuickWidget::SizeRootObjectToView);
 
     return widget;
 }