diff --git a/src/widgets/itemviews/qtreewidget.cpp b/src/widgets/itemviews/qtreewidget.cpp
index f33dd6af17..e0f6a3d5d1 100644
--- a/src/widgets/itemviews/qtreewidget.cpp
+++ b/src/widgets/itemviews/qtreewidget.cpp
@@ -140,6 +140,7 @@ QTreeModel::QTreeModel(QTreeModelPrivate &dd, QTreeWidget *parent)
 QTreeModel::~QTreeModel()
 {
     clear();
+    headerItem->view = Q_NULLPTR;
     delete headerItem;
     rootItem->view = 0;
     delete rootItem;