diff --git a/include/MidiIn.h b/include/MidiIn.h
index 907efb9..ea60e2b 100644
--- a/include/MidiIn.h
+++ b/include/MidiIn.h
@@ -30,7 +30,15 @@ Midi parsing taken from openFrameworks addon ofxMidi by Theo Watson & Dan Wilcox
 
 
 #pragma once
-
+#if defined( CINDER_MSW )
+#define __WINDOWS_MM__
+#endif
+#if defined( CINDER_MAC )
+#define __MACOSX_CORE__
+#endif
+#if defined( CINDER_LINUX )
+#define __LINUX_ALSA__
+#endif
 #include <vector>
 #include <string>
 #include <iostream>
@@ -46,6 +54,7 @@ Midi parsing taken from openFrameworks addon ofxMidi by Theo Watson & Dan Wilcox
 */
 
 
+
 namespace cinder { namespace midi {
 
 void MidiInCallback( double deltatime, std::vector< unsigned char > *message, void *userData );
diff --git a/include/MidiOut.h b/include/MidiOut.h
index f992823..590d193 100644
--- a/include/MidiOut.h
+++ b/include/MidiOut.h
@@ -25,7 +25,15 @@ Midi parsing taken from openFrameworks addon ofxMidi by Theo Watson & Dan Wilcox
  */
 
 #pragma once
-
+#if defined( CINDER_MSW )
+#define __WINDOWS_MM__
+#endif
+#if defined( CINDER_MAC )
+#define __MACOSX_CORE__
+#endif
+#if defined( CINDER_LINUX )
+#define __LINUX_ALSA__
+#endif
 //#include "MidiHeaders.h"
 #include "cinder/app/App.h"
 #include "RtMidi.h"