diff --git a/GUI/View/Frame/Fit2DFrame.h b/GUI/View/Frame/Fit2DFrame.h
index 8784932fe847bb2c01d3e180d4e6d9b1c61e62d2..154465046fd7ac5c914f2c502d802c513aaecb17 100644
--- a/GUI/View/Frame/Fit2DFrame.h
+++ b/GUI/View/Frame/Fit2DFrame.h
@@ -29,12 +29,11 @@ public:
     Fit2DFrame();
     ~Fit2DFrame();
 
-    void updateFrame();
-
 private:
     void onResetViewAction();
     void connectItems();
     void updateDiffData();
+    void updateFrame();
 
     ColorMapCanvas* m_real_canvas;
     ColorMapCanvas* m_simu_canvas;