diff --git a/widgets/mainwindow.h b/widgets/mainwindow.h
index 643d74625..e790e70d9 100644
--- a/widgets/mainwindow.h
+++ b/widgets/mainwindow.h
@@ -323,6 +323,7 @@ private slots:
   void chk_FST4_freq_range();
   void on_pbFoxReset_clicked();
   void on_comboBoxHoundSort_activated (int index);
+  void on_respondComboBox_currentIndexChanged(int index);
   void not_GA_warning_message ();
   void checkMSK144ContestType();
   void on_pbBestSP_clicked();