1 files changed, 5 insertions, 1 deletions

diff --git a/lisp/timezone.el b/lisp/timezone.el
index 56dbff02b5b..5e0fd7f105b 100644
--- a/lisp/timezone.el
+++ b/lisp/timezone.el
@@ -291,7 +291,11 @@ If LOCAL is nil, it is assumed to be GMT.
 If TIMEZONE is nil, use the local time zone."
   (let* ((date   (timezone-parse-date date))
          (year   (string-to-int (aref date 0)))
-         (year   (if (< year 100) (+ year 1900) year))
+         (year   (cond ((< year 50)
+                        (+ year 2000))
+                       ((< year 100)
+                        (+ year 1900))
+                       (t year)))
          (month  (string-to-int (aref date 1)))
          (day    (string-to-int (aref date 2)))
          (time   (timezone-parse-time (aref date 3)))