diff --git a/SConstruct b/SConstruct
index d00258f..387b32f 100644
--- a/SConstruct
+++ b/SConstruct
@@ -49,7 +49,7 @@ if env['platform'] == '':
 if env['platform'] == "osx":
     env['target_path'] += 'osx/'
     cpp_library += '.osx'
-    env.Append(CPPDEFINES=['__MACOSX_CORE__'])
+    env.Append(CPPDEFINES=['__MACOSX_CORE__', 'HAVE_UNISTD_H'])
     env.Append(CXXFLAGS=['-std=c++17'])
     env.Append(LINKFLAGS=['-arch', 'x86_64','-framework', 
                           'CoreAudio', '-framework', 'CoreFoundation'])
diff --git a/src/gdpd.cpp b/src/gdpd.cpp
index a86f988..09951d6 100644
--- a/src/gdpd.cpp
+++ b/src/gdpd.cpp
@@ -61,7 +61,7 @@ int Gdpd::init(int nbInputs, int nbOutputs, int sampleRate, int bufferSize) {
 	RtAudio::StreamParameters outParams, inParams;
 	unsigned int sr = m_audio.getDeviceInfo(outParams.deviceId).preferredSampleRate;
 	outParams.deviceId = m_audio.getDefaultOutputDevice();
-	inParams.deviceId = m_audio.getDefaultOutputDevice();
+	inParams.deviceId = m_audio.getDefaultInputDevice();
 	outParams.nChannels = m_nbInputs = nbInputs;
 	inParams.nChannels = m_nbOutputs = nbOutputs;
 	m_bufferFrames = bufferSize;
diff --git a/src/rtaudio/RtAudio.os b/src/rtaudio/RtAudio.os
index 0375183..50f8614 100644
Binary files a/src/rtaudio/RtAudio.os and b/src/rtaudio/RtAudio.os differ