diff --git a/src/plugins/qt4projectmanager/qt4projectmanagerplugin.cpp b/src/plugins/qt4projectmanager/qt4projectmanagerplugin.cpp
index 9dd32c05f23..50c04a6b534 100644
--- a/src/plugins/qt4projectmanager/qt4projectmanagerplugin.cpp
+++ b/src/plugins/qt4projectmanager/qt4projectmanagerplugin.cpp
@@ -385,7 +385,7 @@ void Qt4ProjectManagerPlugin::currentNodeChanged(ProjectExplorer::Node *node, Pr
     m_qt4ProjectManager->setContextNode(node ? node->projectNode() : 0);
     m_qt4ProjectManager->setContextProject(project);
 
-    bool subProjectActionsVisible = node && (node->projectNode() != project->rootProjectNode());
+    bool subProjectActionsVisible = node && project && node->projectNode() && (node->projectNode() != project->rootProjectNode());
 
     QString subProjectName;
     if (subProjectActionsVisible)