diff --git a/plugins/channelrx/demodam/amdemodgui.cpp b/plugins/channelrx/demodam/amdemodgui.cpp
index 06c879983..649d5c306 100644
--- a/plugins/channelrx/demodam/amdemodgui.cpp
+++ b/plugins/channelrx/demodam/amdemodgui.cpp
@@ -104,7 +104,7 @@ void AMDemodGUI::channelMarkerChanged()
     m_settings.m_udpPort =  m_channelMarker.getUDPSendPort(),
     m_settings.m_rgbColor = m_channelMarker.getColor().rgb();
     displayUDPAddress();
-    m_settings.m_channelMarkerBytes = m_channelMarker.serialize();
+    //m_settings.m_channelMarkerBytes = m_channelMarker.serialize();
 	applySettings();
 }
 
@@ -202,6 +202,7 @@ AMDemodGUI::AMDemodGUI(PluginAPI* pluginAPI, DeviceSourceAPI *deviceAPI, QWidget
     m_channelMarker.setUDPSendPort(9999);
     m_channelMarker.setVisible(true);
     setTitleColor(m_channelMarker.getColor());
+    m_settings.setChannelMarker(&m_channelMarker);
 
 	connect(&m_channelMarker, SIGNAL(changed()), this, SLOT(channelMarkerChanged()));
 
@@ -281,7 +282,7 @@ void AMDemodGUI::updateChannelMarker()
 {
     m_channelMarker.blockSignals(true);
 
-    m_channelMarker.deserialize(m_settings.m_channelMarkerBytes);
+    //m_channelMarker.deserialize(m_settings.m_channelMarkerBytes);
     this->setWindowTitle(m_channelMarker.getTitle());
 
     m_channelMarker.blockSignals(false);
diff --git a/plugins/channelrx/demodam/amdemodsettings.cpp b/plugins/channelrx/demodam/amdemodsettings.cpp
index 3778e8723..e9a14c14f 100644
--- a/plugins/channelrx/demodam/amdemodsettings.cpp
+++ b/plugins/channelrx/demodam/amdemodsettings.cpp
@@ -16,9 +16,11 @@
 
 #include "dsp/dspengine.h"
 #include "util/simpleserializer.h"
+#include "settings/serializable.h"
 #include "amdemodsettings.h"
 
-AMDemodSettings::AMDemodSettings()
+AMDemodSettings::AMDemodSettings() :
+    m_channelMarker(0)
 {
     resetToDefaults();
 }
@@ -45,7 +47,11 @@ QByteArray AMDemodSettings::serialize() const
     s.writeS32(2, m_rfBandwidth/100);
     s.writeS32(4, m_volume*10);
     s.writeS32(5, m_squelch);
-    s.writeBlob(6, m_channelMarkerBytes);
+
+    if (m_channelMarker) {
+        s.writeBlob(6, m_channelMarker->serialize());
+    }
+
     s.writeU32(7, m_rgbColor);
     s.writeBool(8, m_bandpassEnable);
     return s.final();
@@ -74,7 +80,12 @@ bool AMDemodSettings::deserialize(const QByteArray& data)
         m_volume = tmp * 0.1;
         d.readS32(5, &tmp, -40);
         m_squelch = tmp;
-        d.readBlob(6, &m_channelMarkerBytes);
+        d.readBlob(6, &bytetmp);
+
+        if (m_channelMarker) {
+            m_channelMarker->deserialize(bytetmp);
+        }
+
         d.readU32(7, &m_rgbColor);
         d.readBool(8, &m_bandpassEnable, false);
         return true;
diff --git a/plugins/channelrx/demodam/amdemodsettings.h b/plugins/channelrx/demodam/amdemodsettings.h
index 5652636b7..abbb12556 100644
--- a/plugins/channelrx/demodam/amdemodsettings.h
+++ b/plugins/channelrx/demodam/amdemodsettings.h
@@ -19,6 +19,8 @@
 
 #include <QByteArray>
 
+class Serializable;
+
 struct AMDemodSettings
 {
     int m_inputSampleRate;
@@ -33,10 +35,11 @@ struct AMDemodSettings
     QString m_udpAddress;
     quint16 m_udpPort;
     quint32 m_rgbColor;
-    QByteArray m_channelMarkerBytes;
+    Serializable *m_channelMarker;
 
     AMDemodSettings();
     void resetToDefaults();
+    void setChannelMarker(Serializable *channelMarker) { m_channelMarker = channelMarker; }
     QByteArray serialize() const;
     bool deserialize(const QByteArray& data);
 };
diff --git a/sdrbase/dsp/channelmarker.h b/sdrbase/dsp/channelmarker.h
index f64365b5e..8685ac887 100644
--- a/sdrbase/dsp/channelmarker.h
+++ b/sdrbase/dsp/channelmarker.h
@@ -5,9 +5,10 @@
 #include <QColor>
 #include <QByteArray>
 
+#include "settings/serializable.h"
 #include "util/export.h"
 
-class SDRANGEL_API ChannelMarker : public QObject {
+class SDRANGEL_API ChannelMarker : public QObject, public Serializable {
 	Q_OBJECT
 
 public:
@@ -76,8 +77,8 @@ public:
     const QString& getDisplayAddressSend() const { return m_displayAddressSend; }
     const QString& getDisplayAddressReceive() const { return m_displayAddressReceive; }
 
-    QByteArray serialize() const;
-    bool deserialize(const QByteArray& data);
+    virtual QByteArray serialize() const;
+    virtual bool deserialize(const QByteArray& data);
 
 protected:
 	static QRgb m_colorTable[];
diff --git a/sdrbase/settings/serializable.h b/sdrbase/settings/serializable.h
new file mode 100644
index 000000000..b5a088e74
--- /dev/null
+++ b/sdrbase/settings/serializable.h
@@ -0,0 +1,28 @@
+///////////////////////////////////////////////////////////////////////////////////
+// Copyright (C) 2017 Edouard Griffiths, F4EXB.                                  //
+//                                                                               //
+// This program is free software; you can redistribute it and/or modify          //
+// it under the terms of the GNU General Public License as published by          //
+// the Free Software Foundation as version 3 of the License, or                  //
+//                                                                               //
+// This program is distributed in the hope that it will be useful,               //
+// but WITHOUT ANY WARRANTY; without even the implied warranty of                //
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the                  //
+// GNU General Public License V3 for more details.                               //
+//                                                                               //
+// You should have received a copy of the GNU General Public License             //
+// along with this program. If not, see <http://www.gnu.org/licenses/>.          //
+///////////////////////////////////////////////////////////////////////////////////
+
+#ifndef SDRBASE_SETTINGS_SERIALIZABLE_H_
+#define SDRBASE_SETTINGS_SERIALIZABLE_H_
+
+class Serializable
+{
+public:
+    virtual ~Serializable() {}
+    virtual QByteArray serialize() const = 0;
+    virtual bool deserialize(const QByteArray& data) = 0;
+};
+
+#endif /* SDRBASE_SETTINGS_SERIALIZABLE_H_ */