From dfd88cc4c1f25ba59f4c187ec09dc7c5cf7c5845 Mon Sep 17 00:00:00 2001
From: Damien Elmes <git@ichi2.net>
Date: Sat, 6 Feb 2010 01:20:50 +0900
Subject: [PATCH] don't set modtime of 0

---
 anki/deck.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/anki/deck.py b/anki/deck.py
index d734728e0..288b8ae2f 100644
--- a/anki/deck.py
+++ b/anki/deck.py
@@ -3381,7 +3381,8 @@ nextFactor, reps, thinkingTime, yesCount, noCount from reviewHistory""")
             re.sub("\.anki$", ".backup-%s.anki" % n, escp)))
         shutil.copy2(path, newpath)
         # set mtimes to be identical
-        os.utime(newpath, (deck.modified, deck.modified))
+        if deck.modified:
+            os.utime(newpath, (deck.modified, deck.modified))
         # remove if over
         if len(backups) + 1 > numBackups:
             delete = len(backups) + 1 - numBackups