diff --git a/src/vim.h b/src/vim.h
index ca0f6b1..62cc46c 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -18,7 +18,7 @@
 #endif
 
 #ifdef MSWIN
-# include "vimio.h"
+# include <io.h>
 #endif
 
 // ============ the header file puzzle: order matters =========