diff --git a/encode.py b/encode.py
index e2996f8..6f81007 100755
--- a/encode.py
+++ b/encode.py
@@ -63,7 +63,7 @@ def main(fname, oname = None, verbose = True, encoding = 'std',
     # This should give a random but consistent ordering, to make comparing changes
     # between the output of different versions easier.
     if not stable:
-        random.seed(1371367)
+        random.seed(a=None)
         random.shuffle(cards)
 
     def writecards(writer):