diff --git a/ChangeLog b/ChangeLog
index 8794313b..943315e3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -5,6 +5,8 @@ TODO working on bug fix: Windows: driver is changed during connection results
      sometimes in lowed noise
 
 
+- support for audio device selection under Mac OS
+
 - connect dialog list is sorted by the ping time
 
 - software icon changed
@@ -120,7 +122,7 @@ TODO working on bug fix: Windows: driver is changed during connection results
 
 - introduced new audio codec "CELT", not compatible to old versions
 
-- only the sound card frame sizes 128, 256 and 512 is allowed (since other
+- only the sound card frame sizes 128, 256 and 512 are allowed (since other
   frame sizes require additional conversion buffers which introduce delay)
 
 - IMA-ADPCM, MS-ADPCM removed
diff --git a/llcon.pro b/llcon.pro
index a02ce280..b42f30dc 100755
--- a/llcon.pro
+++ b/llcon.pro
@@ -40,8 +40,8 @@ win32 {
         -framework AudioToolbox \
         -framework AudioUnit
 } else:unix {
-	# we assume that stdint.h is always present in a Linux system
-	DEFINES += HAVE_STDINT_H
+    # we assume that stdint.h is always present in a Linux system
+    DEFINES += HAVE_STDINT_H
 
     # only include jack support if CONFIG nosound is not set
     nosoundoption = $$find(CONFIG, "nosound")
diff --git a/mac/sound.h b/mac/sound.h
index a5cce2fd..88264d79 100755
--- a/mac/sound.h
+++ b/mac/sound.h
@@ -27,6 +27,7 @@
 
 #include <CoreServices/CoreServices.h>
 #include <AudioUnit/AudioUnit.h>
+#include <CoreAudio/AudioHardware.h>
 #include <qmutex.h>
 #include "util.h"
 #include "soundbase.h"