From fe17c2cb3c403ab7d131abca2bbd89fb5f66d501 Mon Sep 17 00:00:00 2001
From: Michael Wiencek <mwtuea@gmail.com>
Date: Sun, 30 Jun 2013 17:56:00 -0500
Subject: [PATCH] Copy value list in Metadata.update

---
 picard/metadata.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/picard/metadata.py b/picard/metadata.py
index 053e19f63..a083972a6 100644
--- a/picard/metadata.py
+++ b/picard/metadata.py
@@ -231,7 +231,7 @@ class Metadata(dict):
 
     def update(self, other):
         for key in other.iterkeys():
-            self.set(key, other.getall(key))
+            self.set(key, other.getall(key)[:])
         if other.images:
             self.images = other.images[:]
         if other.length: