diff --git a/reactos/w32api/include/ntdef.h b/reactos/w32api/include/ntdef.h
index 4bb4be64f3e..0622cdd82ba 100644
--- a/reactos/w32api/include/ntdef.h
+++ b/reactos/w32api/include/ntdef.h
@@ -59,4 +59,5 @@ typedef struct _OBJECT_ATTRIBUTES {
   PVOID SecurityQualityOfService;
 } OBJECT_ATTRIBUTES, *POBJECT_ATTRIBUTES;
 #endif
+#define NOTHING
 #endif /* _NTDEF_H */