diff --git a/reactos/include/psdk/guiddef.h b/reactos/include/psdk/guiddef.h
index 34cc101fbcd..2fc94676b58 100644
--- a/reactos/include/psdk/guiddef.h
+++ b/reactos/include/psdk/guiddef.h
@@ -48,11 +48,11 @@ typedef struct _GUID
 #ifdef INITGUID
 #ifdef __cplusplus
 #define DEFINE_GUID(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
-        EXTERN_C const GUID name = \
+        EXTERN_C const GUID DECLSPEC_SELECTANY name = \
 	{ l, w1, w2, { b1, b2,  b3,  b4,  b5,  b6,  b7,  b8 } }
 #else
 #define DEFINE_GUID(name, l, w1, w2, b1, b2, b3, b4, b5, b6, b7, b8) \
-        const GUID name = \
+        const GUID DECLSPEC_SELECTANY name = \
 	{ l, w1, w2, { b1, b2,  b3,  b4,  b5,  b6,  b7,  b8 } }
 #endif
 #else