diff --git a/src/plugins/qmldesigner/designercore/model/abstractview.cpp b/src/plugins/qmldesigner/designercore/model/abstractview.cpp
index 78916ff8842..6ef3c6d5d61 100644
--- a/src/plugins/qmldesigner/designercore/model/abstractview.cpp
+++ b/src/plugins/qmldesigner/designercore/model/abstractview.cpp
@@ -699,6 +699,7 @@ void AbstractView::setEnabled(bool b)
 
 QList<ModelNode> AbstractView::allModelNodes() const
 {
+    QTC_ASSERT(model(), return {});
     return toModelNodeList(model()->d->allNodes());
 }