1 files changed, 5 insertions, 3 deletions

diff --git a/lisp/loadup.el b/lisp/loadup.el
index 1bfcad604bf..254b6ad2c24 100644
--- a/lisp/loadup.el
+++ b/lisp/loadup.el
@@ -225,9 +225,11 @@
       (setq tem (cdr tem))))
   (princ ")))\n" (current-buffer))
   (write-region (point-min) (point-max)
-                (expand-file-name (convert-standard-filename
-                                   (format "../lisp/fns-%s.el" emacs-version))
-                                   invocation-directory))
+                (expand-file-name
+                 (if (eq system-type 'ms-dos)
+                     "../lisp/fns.el"
+                   (format "../lisp/fns-%s.el" emacs-version))
+                 invocation-directory))
   (erase-buffer))
 (setq load-history nil)
 (set-buffer-modified-p nil)