diff --git a/plugins/channelrx/demodnfm/nfmdemodsink.cpp b/plugins/channelrx/demodnfm/nfmdemodsink.cpp
index 5d455545c..8738420c6 100644
--- a/plugins/channelrx/demodnfm/nfmdemodsink.cpp
+++ b/plugins/channelrx/demodnfm/nfmdemodsink.cpp
@@ -173,7 +173,7 @@ void NFMDemodSink::processOneSample(Complex &ci)
             }
         }
 
-        if (!m_settings.m_audioMute && (m_settings.m_ctcssOn && m_ctcssIndexSelected == ctcssIndex || m_ctcssIndexSelected == 0))
+        if (!m_settings.m_audioMute && (!m_settings.m_ctcssOn || m_ctcssIndexSelected == ctcssIndex || m_ctcssIndexSelected == 0))
         {
             Real audioSample = m_squelchDelayLine.readBack(m_squelchGate);
             audioSample = m_settings.m_highPass ? m_bandpass.filter(audioSample) : m_lowpass.filter(audioSample);