diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 19c80a65888..e2371c6f7c8 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,8 @@
+2011-07-13  Sergei Organov  <osv@javad.com>  (tiny change)
+
+	* vc/vc.el (vc-revert-file):
+	Don't set file time-stamp in the past.  (Bug#5181)
+
 2011-07-12  Lars Magne Ingebrigtsen  <larsi@gnus.org>
 
 	* files.el (after-find-file): Give a better error message when
diff --git a/lisp/vc/vc.el b/lisp/vc/vc.el
index 796311f8f66..6704a43e59b 100644
--- a/lisp/vc/vc.el
+++ b/lisp/vc/vc.el
@@ -2428,7 +2428,7 @@ its name; otherwise return nil."
    (list file)
    (let ((backup-file (vc-version-backup-file file)))
      (when backup-file
-       (copy-file backup-file file 'ok-if-already-exists 'keep-date)
+       (copy-file backup-file file 'ok-if-already-exists)
        (vc-delete-automatic-version-backups file))
      (vc-call revert file backup-file))
    `((vc-state . up-to-date)