diff --git a/src/plugins/qmlprojectmanager/qmlprojectfileseditor.h b/src/plugins/qmlprojectmanager/qmlprojectfileseditor.h
index 4b189a379b37a1661159e756e7d48de35d8f46a5..619494671623c27c309a2bd2281056537f5618ca 100644
--- a/src/plugins/qmlprojectmanager/qmlprojectfileseditor.h
+++ b/src/plugins/qmlprojectmanager/qmlprojectfileseditor.h
@@ -79,6 +79,7 @@ public:
 
     virtual bool duplicateSupported() const;
     virtual Core::IEditor *duplicate(QWidget *parent);
+    virtual bool temporaryEditor() const { return false; }
 
 private:
     QList<int> m_context;