diff --git a/src/MeasureAnalysisParticleCountPlotView/BatchEnergyScaleDialog.h b/src/MeasureAnalysisParticleCountPlotView/BatchEnergyScaleDialog.h
index 2536c1f..5dc6dbc 100644
--- a/src/MeasureAnalysisParticleCountPlotView/BatchEnergyScaleDialog.h
+++ b/src/MeasureAnalysisParticleCountPlotView/BatchEnergyScaleDialog.h
@@ -37,6 +37,7 @@ private:
     void energyScaleDataChanged(const QStringList& channel_name_list);
 
 signals:
+    void applyEnergyScale();
     void close();
 
 protected: