diff --git a/include/winbase.h b/include/winbase.h
index f0cc23cd976..7216086c1ca 100644
--- a/include/winbase.h
+++ b/include/winbase.h
@@ -705,7 +705,7 @@ typedef struct _TIME_ZONE_INFORMATION{
 #define FILE_SYSTEM_NOT_SUPPORT  6
 #define FILE_USER_DISALLOWED     7
 #define FILE_READ_ONLY           8
-#define FILE_DIR_DISALOWED       9
+#define FILE_DIR_DISALLOWED      9
 
 typedef DWORD (WINAPI *PFE_EXPORT_FUNC)(PBYTE,PVOID,ULONG);
 typedef DWORD (WINAPI *PFE_IMPORT_FUNC)(PBYTE,PVOID,ULONG);