diff --git a/owrx/sdr.py b/owrx/sdr.py
index 73c1ee7..ceed661 100644
--- a/owrx/sdr.py
+++ b/owrx/sdr.py
@@ -40,7 +40,7 @@ class MappedSdrSources(PropertyDelegator):
 
     def _removeSource(self, key):
         if key in self:
-            self[key].shutdown()
+            self[key].stop()
         for sub in self.subscriptions[key]:
             sub.cancel()
         del self.subscriptions[key]