1 files changed, 1 insertions, 1 deletions

diff --git a/lisp/emacs-lisp/autoload.el b/lisp/emacs-lisp/autoload.el
index 7e6be4c6c99..c22ca66ead4 100644
--- a/lisp/emacs-lisp/autoload.el
+++ b/lisp/emacs-lisp/autoload.el
@@ -109,7 +109,7 @@ are used."
                          (substring name 0 (match-beginning 0))
                        name)))
         (print-length nil)
-        (float-output-format "%.20e")
+        (float-output-format nil)
         (done-any nil)
         (visited (get-file-buffer file))
         output-end)