diff --git a/oml/meta/lookupbyisbn.py b/oml/meta/lookupbyisbn.py
index 0b9abdc..2eb5365 100644
--- a/oml/meta/lookupbyisbn.py
+++ b/oml/meta/lookupbyisbn.py
@@ -89,5 +89,5 @@ def lookup(id):
     return r
 
 def amazon_lookup(asin):
-    html = read_url('http://www.amazon.com/dp/%s' % asin).decode('utf-8')
+    html = read_url('http://www.amazon.com/dp/%s' % asin).decode('utf-8', 'ignore')
     return list(set(find_isbns(find_re(html, 'Formats</h3>.*?</table'))))