diff --git a/desmume/src/mic.cpp b/desmume/src/mic.cpp
index afee6dd44..93362ac5e 100644
--- a/desmume/src/mic.cpp
+++ b/desmume/src/mic.cpp
@@ -4,6 +4,7 @@
 #include "mic.h"
 
 static BOOL silence = TRUE;
+int MicButtonPressed;
 
 BOOL Mic_Init()
 {
diff --git a/desmume/src/mic.h b/desmume/src/mic.h
index 8632f39e0..508895bd0 100644
--- a/desmume/src/mic.h
+++ b/desmume/src/mic.h
@@ -1,8 +1,9 @@
 #ifndef MIC_H
 #define MIC_H
 
-#ifdef WIN32
 extern int MicButtonPressed;
+
+#ifdef WIN32
 static char MicSampleName[256];
 char* LoadSample(const char *name);
 extern int MicDisplay;