diff --git a/src/plugins/projectexplorer/projecttreewidget.cpp b/src/plugins/projectexplorer/projecttreewidget.cpp
index 5b37b09432e..004aaf31a23 100644
--- a/src/plugins/projectexplorer/projecttreewidget.cpp
+++ b/src/plugins/projectexplorer/projecttreewidget.cpp
@@ -276,6 +276,7 @@ int ProjectTreeWidget::expandedCount(Node *node)
 void ProjectTreeWidget::rowsInserted(const QModelIndex &parent, int start, int end)
 {
     Node *node = m_model->nodeForIndex(parent);
+    QTC_ASSERT(node, return);
     const QString path = node->path().toString();
     const QString displayName = node->displayName();