diff --git a/src/sound/i_midi_win32.h b/src/sound/i_midi_win32.h
new file mode 100644
index 000000000..62823c722
--- /dev/null
+++ b/src/sound/i_midi_win32.h
@@ -0,0 +1,18 @@
+#ifdef _WIN32
+#define WIN32_LEAN_AND_MEAN
+#define USE_WINDOWS_DWORD
+#if defined(_WIN32_WINNT) && _WIN32_WINNT < 0x0400
+#undef _WIN32_WINNT
+#endif
+#ifndef _WIN32_WINNT
+#define _WIN32_WINNT 0x0400
+#endif
+#ifndef USE_WINDOWS_DWORD
+#define USE_WINDOWS_DWORD
+#endif
+#include <windows.h>
+#include <mmsystem.h>
+#else
+#define FALSE 0
+#define TRUE 1
+#endif