diff --git a/src/LayoutSaver_p.h b/src/LayoutSaver_p.h
index f6f61e7a..5505537d 100644
--- a/src/LayoutSaver_p.h
+++ b/src/LayoutSaver_p.h
@@ -317,6 +317,8 @@ public:
     LayoutSaver::DockWidget::List closedDockWidgets;
     LayoutSaver::DockWidget::List allDockWidgets;
     ScreenInfo::List screenInfo;
+private:
+    Q_DISABLE_COPY(Layout)
 };
 
 }