diff --git a/subcmds/sync.py b/subcmds/sync.py
index e9d52b7..d8aec59 100644
--- a/subcmds/sync.py
+++ b/subcmds/sync.py
@@ -761,7 +761,7 @@
   def _Load(self):
     if self._times is None:
       try:
-        f = open(self._path)
+        f = open(self._path, 'rb')
       except IOError:
         self._times = {}
         return self._times