Index: mumble-1.2.3/src/mumble/PulseAudio.cpp
===================================================================
--- mumble-1.2.3.orig/src/mumble/PulseAudio.cpp	2012-04-16 17:04:07.000000000 +0200
+++ mumble-1.2.3/src/mumble/PulseAudio.cpp	2012-04-16 17:38:01.370359508 +0200
@@ -151,6 +151,8 @@
 	if (! bSourceDone || ! bSinkDone || ! bServerDone)
 		return;
 
+	QString default_dev = "(default)";
+
 	AudioInputPtr ai = g.ai;
 	AudioOutputPtr ao = g.ao;
 	AudioInput *raw_ai = ai.get();
@@ -159,7 +161,7 @@
 	PulseAudioOutput *pao = dynamic_cast<PulseAudioOutput *>(raw_ao);
 
 	if (raw_ao) {
-		QString odev = g.s.qsPulseAudioOutput.isEmpty() ? qsDefaultOutput : g.s.qsPulseAudioOutput;
+		QString odev = g.s.qsPulseAudioOutput.isEmpty() ? default_dev : g.s.qsPulseAudioOutput;
 		pa_stream_state ost = pasOutput ? pa_stream_get_state(pasOutput) : PA_STREAM_TERMINATED;
 		bool do_stop = false;
 		bool do_start = false;
@@ -217,12 +219,12 @@
 			bPositionalCache = g.s.doPositionalAudio();
 			qsOutputCache = odev;
 
-			pa_stream_connect_playback(pasOutput, qPrintable(odev), &buff, PA_STREAM_ADJUST_LATENCY, NULL, NULL);
+			pa_stream_connect_playback(pasOutput, odev == default_dev ? NULL : qPrintable(odev), &buff, PA_STREAM_ADJUST_LATENCY, NULL, NULL);
 		}
 	}
 
 	if (raw_ai) {
-		QString idev = g.s.qsPulseAudioInput.isEmpty() ? qsDefaultInput : g.s.qsPulseAudioInput;
+		QString idev = g.s.qsPulseAudioInput.isEmpty() ? default_dev : g.s.qsPulseAudioInput;
 		pa_stream_state ist = pasInput ? pa_stream_get_state(pasInput) : PA_STREAM_TERMINATED;
 		bool do_stop = false;
 		bool do_start = false;
@@ -275,7 +277,7 @@
 
 			qsInputCache = idev;
 
-			pa_stream_connect_record(pasInput, qPrintable(idev), &buff, PA_STREAM_ADJUST_LATENCY);
+			pa_stream_connect_record(pasInput, idev == default_dev ? NULL : qPrintable(idev), &buff, PA_STREAM_ADJUST_LATENCY);
 		}
 	}