diff --git a/lib/windows/windows.nim b/lib/windows/windows.nim
index c042da6806..e93ffcf311 100755
--- a/lib/windows/windows.nim
+++ b/lib/windows/windows.nim
@@ -3104,9 +3104,9 @@ const
   STD_ERROR_HANDLE* =  DWORD(-12)
 
   INVALID_HANDLE_VALUE* = HANDLE(-1)
-  INVALID_SET_FILE_POINTER = ULONG(-1)
-  INVALID_FILE_SIZE = ULONG(-1)
-  INVALID_FILE_ATTRIBUTES = ULONG(-1)
+  INVALID_SET_FILE_POINTER* = ULONG(-1)
+  INVALID_FILE_SIZE* = ULONG(-1)
+  INVALID_FILE_ATTRIBUTES* = ULONG(-1)
 
 const
   # GetStockObject