diff --git a/ChangeLog b/ChangeLog
index 3a83248f9..958a7a334 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2008-09-14	Csaba Hruska <csaba.hruska/at/gmail.com>
+	
+	* src/core/audio/audio_portaudio.cpp:
+	Bugfix: Fixed segfault when other app uses and blocks the audio device
+
 2008-09-08	Paul Giblock <drfaygo/at/gmail/dot/com>
 	
 	* src/core/timeline.cpp:
diff --git a/src/core/audio/audio_portaudio.cpp b/src/core/audio/audio_portaudio.cpp
index a4b635227..37a167c9b 100644
--- a/src/core/audio/audio_portaudio.cpp
+++ b/src/core/audio/audio_portaudio.cpp
@@ -113,6 +113,11 @@ audioPortAudio::audioPortAudio( bool & _success_ful, mixer * _mixer ) :
 		outDevIdx = Pa_GetDefaultOutputDevice();
 	}
 
+	if( inDevIdx < 0 || outDevIdx < 0)
+	{
+		return;
+	}
+	
 	double inLatency = (double)getMixer()->framesPerPeriod() / (double)sampleRate();
 	double outLatency = (double)getMixer()->framesPerPeriod() / (double)sampleRate();