diff --git a/owrx/source.py b/owrx/source.py
index dedaaa06..6c4f3f8b 100644
--- a/owrx/source.py
+++ b/owrx/source.py
@@ -153,3 +153,6 @@ class DspThread(threading.Thread):
         self.dsp.stop()
         self.dsp.set_demodulator(mod)
         self.dsp.start()
+
+    def set_squelch_level(self, lvl):
+        self.dsp.set_squelch_level(lvl)