diff --git a/src/plugins/qmldesigner/components/navigator/navigatorview.cpp b/src/plugins/qmldesigner/components/navigator/navigatorview.cpp
index 684ad47c49ff905dec2b0ef2ee28d1d98f855341..ef560e4a4b57ef51d3974036b1e176d516cb6d56 100644
--- a/src/plugins/qmldesigner/components/navigator/navigatorview.cpp
+++ b/src/plugins/qmldesigner/components/navigator/navigatorview.cpp
@@ -95,7 +95,6 @@ void NavigatorView::modelAttached(Model *model)
 #ifdef _LOCK_ITEMS_
     treeView->header()->resizeSection(2,20);
 #endif
-    treeView->setHeaderHidden(true);
 }
 
 void NavigatorView::modelAboutToBeDetached(Model *model)
diff --git a/src/plugins/qmldesigner/components/navigator/navigatorwidget.cpp b/src/plugins/qmldesigner/components/navigator/navigatorwidget.cpp
index a67b8172b0d76a2e2867970dd43e8c2b059d6114..34f366af10573818005c8ee2c129e69db02dbb50 100644
--- a/src/plugins/qmldesigner/components/navigator/navigatorwidget.cpp
+++ b/src/plugins/qmldesigner/components/navigator/navigatorwidget.cpp
@@ -49,6 +49,7 @@ NavigatorWidget::NavigatorWidget(QWidget* parent) :
     m_treeView->header()->setStretchLastSection(false);
     m_treeView->setDefaultDropAction(Qt::LinkAction);
     m_treeView->setFocusPolicy(Qt::NoFocus);
+    m_treeView->setHeaderHidden(true);
 
     QVBoxLayout *layout = new QVBoxLayout;
     layout->setSpacing(0);