diff --git a/code/nel/src/sound/driver/xaudio2/adpcm_xaudio2.h b/code/nel/src/sound/driver/xaudio2/adpcm_xaudio2.h
index 6655c57a8..3b46d1b9a 100644
--- a/code/nel/src/sound/driver/xaudio2/adpcm_xaudio2.h
+++ b/code/nel/src/sound/driver/xaudio2/adpcm_xaudio2.h
@@ -62,7 +62,7 @@ protected:
 	/// Mutex for cross-thread access from XAudio2 callbacks.
 	NLMISC::CMutex _Mutex;
 	/// Unique id for buffer.
-	uint _LastBufferContext;
+	uintptr_t _LastBufferContext;
 	/// Current buffer.
 	void *_ValidBufferContext[_BufferNb];
 public:
diff --git a/code/nel/src/sound/driver/xaudio2/driver_xaudio2.def b/code/nel/src/sound/driver/xaudio2/driver_xaudio2.def
index 247ed160f..2a29a2d91 100644
--- a/code/nel/src/sound/driver/xaudio2/driver_xaudio2.def
+++ b/code/nel/src/sound/driver/xaudio2/driver_xaudio2.def
@@ -1,4 +1,6 @@
-EXPORTS NLSOUND_createISoundDriverInstance
-EXPORTS NLSOUND_interfaceVersion
-EXPORTS NLSOUND_outputProfile
-EXPORTS NLSOUND_getDriverType
\ No newline at end of file
+LIBRARY nel_drv_xaudio2_win_r
+EXPORTS
+	NLSOUND_createISoundDriverInstance
+	NLSOUND_interfaceVersion
+	NLSOUND_outputProfile
+	NLSOUND_getDriverType
\ No newline at end of file
diff --git a/code/nel/src/sound/driver/xaudio2/sound_driver_xaudio2.cpp b/code/nel/src/sound/driver/xaudio2/sound_driver_xaudio2.cpp
index c1cdd3729..b95735fc5 100644
--- a/code/nel/src/sound/driver/xaudio2/sound_driver_xaudio2.cpp
+++ b/code/nel/src/sound/driver/xaudio2/sound_driver_xaudio2.cpp
@@ -53,6 +53,14 @@ BOOL WINAPI DllMain(HANDLE hModule, DWORD /* ul_reason_for_call */, LPVOID /* lp
 
 // ***************************************************************************
 
+#ifndef NL_STATIC
+#ifdef NL_COMP_MINGW
+extern "C" {
+#endif
+#endif
+
+// ***************************************************************************
+
 #ifdef NL_STATIC
 ISoundDriver* createISoundDriverInstanceXAudio2
 #else
@@ -99,6 +107,14 @@ __declspec(dllexport) ISoundDriver::TDriver NLSOUND_getDriverType()
 
 // ******************************************************************
 
+#ifndef NL_STATIC
+#ifdef NL_COMP_MINGW
+}
+#endif
+#endif
+
+// ******************************************************************
+
 #ifdef NL_DEBUG
 
 static XAUDIO2_DEBUG_CONFIGURATION NLSOUND_XAUDIO2_DEBUG_CONFIGURATION_DISABLED = {
diff --git a/code/nel/src/sound/driver/xaudio2/stdxaudio2.h b/code/nel/src/sound/driver/xaudio2/stdxaudio2.h
index d716d91bf..76b2a13d8 100644
--- a/code/nel/src/sound/driver/xaudio2/stdxaudio2.h
+++ b/code/nel/src/sound/driver/xaudio2/stdxaudio2.h
@@ -25,9 +25,57 @@
 #include <cfloat>
 #include <algorithm>
 #include <limits>
+#include <intrin.h>
 
 // 3rd Party Includes
+#include <basetyps.h>
 #define XAUDIO2_HELPER_FUNCTIONS
+
+#ifdef NL_COMP_MINGW
+#define __in_bcount(x)
+#define __in_bcount_opt(x)
+#define __in_ecount(x)
+#define __in_xcount(x)
+#define __inout_bcount_full(x)
+#define __inout_bcount_opt(x)
+#define __out_bcount(x)
+#define __out_bcount_full(x)
+#define __out_bcount_opt(x)
+#define __out_bcount_part_opt(x,y)
+#define __out_ecount(x)
+#define __out_xcount(x)
+#define __deref_opt_inout_bcount_part_opt(x,y)
+#define __deref_out_bcount(x)
+#define __deref_out_bcount_opt(x)
+#define __out
+#define __in
+#define __inout
+#define __deref_out
+#define __in_opt
+#define __inout_opt
+#define __out_opt
+#define __deref
+#define __deref_inout_opt
+#define __reserved
+#define __XMA2DEFS_INCLUDED__
+#endif  /* NL_COMP_MINGW */
+
+#include <comdecl.h>
+
+#ifdef NL_COMP_MINGW
+#undef DEFINE_CLSID
+#undef DEFINE_IID
+#undef DECLSPEC_UUID_WRAPPER
+#define DEFINE_CLSID(className, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
+	class className; \
+	__CRT_UUID_DECL(className, 0x##l, 0x##w1, 0x##w2, 0x##b1, 0x##b2, 0x##b3, 0x##b4, 0x##b5, 0x##b6, 0x##b7, 0x##b8) \
+	EXTERN_C const GUID CLSID_##className
+#define DEFINE_IID(interfaceName, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
+	interface interfaceName; \
+	__CRT_UUID_DECL(interfaceName, 0x##l, 0x##w1, 0x##w2, 0x##b1, 0x##b2, 0x##b3, 0x##b4, 0x##b5, 0x##b6, 0x##b7, 0x##b8) \
+	EXTERN_C const GUID IID_##interfaceName
+#endif /* NL_COMP_MINGW */
+
 #include <xaudio2.h>
 #include <xaudio2fx.h>
 #include <x3daudio.h>