diff --git a/Lib/rfc822.py b/Lib/rfc822.py
index 7030ee7..8721994 100644
--- a/Lib/rfc822.py
+++ b/Lib/rfc822.py
@@ -773,7 +773,7 @@
 
     def __getitem__(self, index):
         # Make indexing, slices, and 'in' work
-        return self.addrlist[index]
+        return self.addresslist[index]
 
 def dump_address_pair(pair):
     """Dump a (name, address) pair in a canonicalized form."""