diff --git a/SConstruct b/SConstruct
index dd6795c153..ef2bd473b5 100644
--- a/SConstruct
+++ b/SConstruct
@@ -205,6 +205,9 @@ env['HAVE_BLUEZ'] = conf.CheckPKG('bluez')
 # needed for sound
 env['HAVE_AO'] = conf.CheckPKG('ao')
 
+# needed for mic
+env['HAVE_PORTAUDIO'] = conf.CheckPKG('portaudio')
+
 #osx 64 specifics
 if sys.platform == 'darwin':
     if env['osx'] == '64cocoa':
@@ -264,6 +267,7 @@ conf.Define('HAVE_WX', env['HAVE_WX'])
 conf.Define('USE_WX', env['USE_WX'])
 conf.Define('HAVE_X11', env['HAVE_X11'])
 conf.Define('HAVE_COCOA', env['HAVE_COCOA'])
+conf.Define('HAVE_PORTAUDIO', env['HAVE_PORTAUDIO'])
 
 # profile
 env['USE_OPROFILE'] = 0
diff --git a/Source/Core/Core/Src/HW/EXI_DeviceMic.cpp b/Source/Core/Core/Src/HW/EXI_DeviceMic.cpp
index ef8895bf9d..6113e78a5a 100644
--- a/Source/Core/Core/Src/HW/EXI_DeviceMic.cpp
+++ b/Source/Core/Core/Src/HW/EXI_DeviceMic.cpp
@@ -27,8 +27,8 @@
 bool MicButton = false;
 bool IsOpen;
 
-//#define USE_PORTAUDIO
-#ifndef USE_PORTAUDIO
+//#define HAVE_PORTAUDIO
+#ifndef HAVE_PORTAUDIO || ! HAVE_PORTAUDIO
 
 void SetMic(bool Value){}