diff --git a/reactos/w32api/include/ksguid.h b/reactos/w32api/include/ksguid.h
new file mode 100644
index 00000000000..f80ad739491
--- /dev/null
+++ b/reactos/w32api/include/ksguid.h
@@ -0,0 +1,22 @@
+
+#ifndef __KSGUID__
+#define __KSGUID__
+
+#define INITGUID
+#include <guiddef.h>
+
+#if defined( DEFINE_GUIDEX )
+             #undef DEFINE_GUIDEX
+#endif
+
+#if !defined( DEFINE_WAVEFORMATEX_GUID )
+              #define DEFINE_WAVEFORMATEX_GUID(guid_id) (USHORT)(guid_id), 0x0000, 0x0010, 0x80, 0x00, 0x00, 0xAA, 0x00, 0x38, 0x9B, 0x71
+#endif
+
+#ifndef STATICGUIDOF
+                    #define STATICGUIDOF(guids) STATIC_##guids
+#endif 
+
+#define DEFINE_GUIDEX(Name) EXTERN_C const CDECL GUID __declspec(selectany) Name = { STATIC_##Name }
+
+#endif