diff --git a/include/windef.h b/include/windef.h
index 07a229b2ff4..16d795d6ecb 100644
--- a/include/windef.h
+++ b/include/windef.h
@@ -11,15 +11,16 @@
 # undef UNICODE
 #endif  /* __WINE__ */
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 #define WINVER 0x0500
 
 #include "winnt.h"
 
 
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
 /* Macros to map Winelib names to the correct implementation name */
 /* depending on __WINE__ and UNICODE macros.                      */
 /* Note that Winelib is purely Win32.                             */