diff --git a/win32/win_opendir.h b/win32/win_opendir.h
index 3fe0f793..c1844e11 100644
--- a/win32/win_opendir.h
+++ b/win32/win_opendir.h
@@ -46,7 +46,7 @@ typedef struct
    struct dirent dd_dir;
 
    /* _findnext handle */
-   long	dd_handle;
+   intptr_t	dd_handle;
 
    /*
     * Status of search: