diff --git a/repeatersetup.cpp b/repeatersetup.cpp
index 354f8b4..59bc441 100644
--- a/repeatersetup.cpp
+++ b/repeatersetup.cpp
@@ -840,3 +840,12 @@ void repeaterSetup::on_rptrOffsetEdit_returnPressed()
 {
     this->on_rptrOffsetSetBtn_clicked();
 }
+
+void repeaterSetup::on_setSplitRptrToneChk_clicked(bool checked)
+{
+    if(checked)
+    {
+        on_setRptrSubVFOBtn_clicked();
+        on_setToneSubVFOBtn_clicked();
+    }
+}
diff --git a/repeatersetup.h b/repeatersetup.h
index 6ad367e..0a23784 100644
--- a/repeatersetup.h
+++ b/repeatersetup.h
@@ -108,6 +108,8 @@ private slots:
 
     void on_splitTransmitFreqEdit_returnPressed();
 
+    void on_setSplitRptrToneChk_clicked(bool checked);
+
 private:
     Ui::repeaterSetup *ui;
     freqt currentMainFrequency;