diff --git a/docs/userguide/serialization.rst b/docs/userguide/serialization.rst
index 479d7c7d..37169a88 100644
--- a/docs/userguide/serialization.rst
+++ b/docs/userguide/serialization.rst
@@ -179,6 +179,6 @@ supported by Kombu.
         def loads(s):
             return pickle.load(BytesIO(s))
 
-        register('my_pickle', loads, pickle.dumps,
+        register('my_pickle', pickle.dumps, loads,
                 content_type='application/x-pickle2',
                 content_encoding='binary')