diff --git a/include/winnt.h b/include/winnt.h
index 35e02c3..a97a187 100644
--- a/include/winnt.h
+++ b/include/winnt.h
@@ -7,7 +7,7 @@
 #ifndef __WINE_WINNT_H
 #define __WINE_WINNT_H
 
-#include "wintypes.h"
+#include "windef.h"
 
 #pragma pack(1)
 /* Defines */