diff --git a/sdrbase/gui/basicchannelsettingsdialog.cpp b/sdrbase/gui/basicchannelsettingsdialog.cpp
index 20da8b715..ccebf2eca 100644
--- a/sdrbase/gui/basicchannelsettingsdialog.cpp
+++ b/sdrbase/gui/basicchannelsettingsdialog.cpp
@@ -8,7 +8,8 @@
 BasicChannelSettingsDialog::BasicChannelSettingsDialog(ChannelMarker* marker, QWidget *parent) :
     QDialog(parent),
     ui(new Ui::BasicChannelSettingsDialog),
-    m_channelMarker(marker)
+    m_channelMarker(marker),
+    m_hasChanged(false)
 {
     ui->setupUi(this);
     ui->title->setText(m_channelMarker->getTitle());
@@ -77,5 +78,6 @@ void BasicChannelSettingsDialog::accept()
 
     m_channelMarker->setFrequencyScaleDisplayType((ChannelMarker::frequencyScaleDisplay_t) ui->fScaleDisplayType->currentIndex());
 
+    m_hasChanged = true;
     QDialog::accept();
 }
diff --git a/sdrbase/gui/basicchannelsettingsdialog.h b/sdrbase/gui/basicchannelsettingsdialog.h
index a0a8b71be..eb599ad9a 100644
--- a/sdrbase/gui/basicchannelsettingsdialog.h
+++ b/sdrbase/gui/basicchannelsettingsdialog.h
@@ -16,6 +16,7 @@ class BasicChannelSettingsDialog : public QDialog
 public:
     explicit BasicChannelSettingsDialog(ChannelMarker* marker, QWidget *parent = 0);
     ~BasicChannelSettingsDialog();
+    bool hasChanged() const { return m_hasChanged; }
 
 private slots:
     void on_colorBtn_clicked();
@@ -25,6 +26,7 @@ private:
     Ui::BasicChannelSettingsDialog *ui;
     ChannelMarker* m_channelMarker;
     QColor m_color;
+    bool m_hasChanged;
 
     void paintColor();
 };