1 files changed, 1 insertions, 1 deletions

diff --git a/admin/admin.el b/admin/admin.el
index 9fcc5795d21..6d729214bd0 100644
--- a/admin/admin.el
+++ b/admin/admin.el
@@ -62,7 +62,7 @@ Root must be the root of an Emacs source tree."
   (set-version-in-file root "README" version
                        (rx (and "version" (1+ space)
                                 (submatch (1+ (in "0-9."))))))
-  (set-version-in-file root "configure.in" version
+  (set-version-in-file root "configure.ac" version
                        (rx (and "AC_INIT" (1+ (not (in ?,)))
                                 ?, (0+ space)
                                 (submatch (1+ (in "0-9."))))))