diff --git a/plugins/channel/demoddsd/dsddecoder.h b/plugins/channel/demoddsd/dsddecoder.h
index 6959e7908..c323800b1 100644
--- a/plugins/channel/demoddsd/dsddecoder.h
+++ b/plugins/channel/demoddsd/dsddecoder.h
@@ -45,6 +45,8 @@ public:
     void resetMbeDV2() { m_decoder.resetMbeDV2(); }
     const unsigned char *getMbeDVFrame1() const { return m_decoder.getMbeDVFrame1(); }
     const unsigned char *getMbeDVFrame2() const { return m_decoder.getMbeDVFrame2(); }
+    bool getVoice1On() const { return m_decoder.getVoice1On(); }
+    bool getVoice2On() const { return m_decoder.getVoice2On(); }
 
     int getMbeRateIndex() const { return (int) m_decoder.getMbeRate(); }
 
diff --git a/plugins/channel/demoddsd/dsddemodgui.cpp b/plugins/channel/demoddsd/dsddemodgui.cpp
index cf7290361..96f2a6d58 100644
--- a/plugins/channel/demoddsd/dsddemodgui.cpp
+++ b/plugins/channel/demoddsd/dsddemodgui.cpp
@@ -540,6 +540,18 @@ void DSDDemodGUI::tick()
         ui->zcPosText->setText(QString::number(m_dsdDemod->getDecoder().getZeroCrossingPos()));
         ui->symbolSyncQualityText->setText(QString::number(m_dsdDemod->getDecoder().getSymbolSyncQuality()));
 
+        if (m_dsdDemod->getDecoder().getVoice1On()) {
+            ui->slot1On->setStyleSheet("QToolButton { background-color : green; }");
+        } else {
+            ui->slot1On->setStyleSheet("QToolButton { background-color : rgb(79,79,79); }");
+        }
+
+        if (m_dsdDemod->getDecoder().getVoice2On()) {
+            ui->slot2On->setStyleSheet("QToolButton { background-color : green; }");
+        } else {
+            ui->slot2On->setStyleSheet("QToolButton { background-color : rgb(79,79,79); }");
+        }
+
         const char *frameTypeText = m_dsdDemod->getDecoder().getFrameTypeText();
 
 	    if (frameTypeText[0] == '\0') {