diff --git a/sdrgui/mainspectrum/mainspectrumgui.cpp b/sdrgui/mainspectrum/mainspectrumgui.cpp
index 8e82dddc6..1dd21bfc5 100644
--- a/sdrgui/mainspectrum/mainspectrumgui.cpp
+++ b/sdrgui/mainspectrum/mainspectrumgui.cpp
@@ -29,7 +29,6 @@
 #include "gui/glspectrumgui.h"
 #include "gui/workspaceselectiondialog.h"
 #include "dsp/spectrumvis.h"
-#include "channel/channelwebapiutils.h"
 #include "mainspectrumgui.h"
 
 MainSpectrumGUI::MainSpectrumGUI(GLSpectrum *spectrum, GLSpectrumGUI *spectrumGUI, QWidget *parent) :
@@ -324,6 +323,5 @@ QString MainSpectrumGUI::getDeviceTypeTag()
 // Handle request from GLSpectrum to adjust center frequency
 void MainSpectrumGUI::onRequestCenterFrequency(qint64 frequency)
 {
-    double frequencyInHz = (double)frequency;
-    ChannelWebAPIUtils::setCenterFrequency(m_deviceSetIndex, frequencyInHz);
+    emit requestCenterFrequency(m_deviceSetIndex, frequency);
 }
diff --git a/sdrgui/mainspectrum/mainspectrumgui.h b/sdrgui/mainspectrum/mainspectrumgui.h
index 884359fa3..1ae135356 100644
--- a/sdrgui/mainspectrum/mainspectrumgui.h
+++ b/sdrgui/mainspectrum/mainspectrumgui.h
@@ -112,6 +112,7 @@ signals:
     void closing();
     void moveToWorkspace(int workspaceIndex);
     void forceShrink();
+    void requestCenterFrequency(int deviceSetIndex, qint64 frequency); // an action from the user to move device center frequency
 };
 
 
diff --git a/sdrgui/mainwindow.cpp b/sdrgui/mainwindow.cpp
index 8e0a55b95..0beb9e21a 100644
--- a/sdrgui/mainwindow.cpp
+++ b/sdrgui/mainwindow.cpp
@@ -319,6 +319,13 @@ void MainWindow::sampleSourceAdd(Workspace *deviceWorkspace, Workspace *spectrum
         [=](int channelPluginIndex){ this->channelAddClicked(deviceWorkspace, deviceSetIndex, channelPluginIndex); }
     );
 
+    QObject::connect(
+        mainSpectrumGUI,
+        &MainSpectrumGUI::requestCenterFrequency,
+        this,
+        &MainWindow::mainSpectrumRequestDeviceCenterFrequency
+    );
+
     deviceWorkspace->addToMdiArea(m_deviceUIs.back()->m_deviceGUI);
     spectrumWorkspace->addToMdiArea(m_deviceUIs.back()->m_mainSpectrumGUI);
     emit m_mainCore->deviceSetAdded(deviceSetIndex, deviceAPI);
@@ -535,6 +542,13 @@ void MainWindow::sampleSinkAdd(Workspace *deviceWorkspace, Workspace *spectrumWo
         [=](int channelPluginIndex){ this->channelAddClicked(deviceWorkspace, deviceSetIndex, channelPluginIndex); }
     );
 
+    QObject::connect(
+        mainSpectrumGUI,
+        &MainSpectrumGUI::requestCenterFrequency,
+        this,
+        &MainWindow::mainSpectrumRequestDeviceCenterFrequency
+    );
+
     deviceWorkspace->addToMdiArea(m_deviceUIs.back()->m_deviceGUI);
     spectrumWorkspace->addToMdiArea(m_deviceUIs.back()->m_mainSpectrumGUI);
     emit m_mainCore->deviceSetAdded(deviceSetIndex, deviceAPI);
@@ -2666,6 +2680,19 @@ void MainWindow::mainSpectrumShow(int deviceSetIndex)
     deviceUISet->m_mainSpectrumGUI->raise();
 }
 
+void MainWindow::mainSpectrumRequestDeviceCenterFrequency(int deviceSetIndex, qint64 deviceCenterFrequency)
+{
+    DeviceUISet *deviceUISet = m_deviceUIs[deviceSetIndex];
+    DeviceAPI *deviceAPI = deviceUISet->m_deviceAPI;
+
+    if (deviceAPI->getSampleSource()) {
+        deviceAPI->getSampleSource()->setCenterFrequency(deviceCenterFrequency);
+    } else if (deviceAPI->getSampleSink()) {
+        deviceAPI->getSampleSink()->setCenterFrequency(deviceCenterFrequency);
+    }
+    // Not implemented for MIMO
+}
+
 void MainWindow::showAllChannels(int deviceSetIndex)
 {
     DeviceUISet *deviceUISet = m_deviceUIs[deviceSetIndex];
diff --git a/sdrgui/mainwindow.h b/sdrgui/mainwindow.h
index 54625921a..3361e048b 100644
--- a/sdrgui/mainwindow.h
+++ b/sdrgui/mainwindow.h
@@ -207,6 +207,7 @@ private slots:
     void deviceMove(DeviceGUI *gui, int wsIndexDestnation);
     void mainSpectrumMove(MainSpectrumGUI *gui, int wsIndexDestnation);
     void mainSpectrumShow(int deviceSetIndex);
+    void mainSpectrumRequestDeviceCenterFrequency(int deviceSetIndex, qint64 deviceCenterFrequency);
     void showAllChannels(int deviceSetIndex);
     void openDeviceSetPresetsDialog(QPoint p, DeviceGUI *deviceGUI);
 	void commandKeyPressed(Qt::Key key, Qt::KeyboardModifiers keyModifiers, bool release);