diff --git a/dosagelib/plugins/drunkduck.py b/dosagelib/plugins/drunkduck.py
index 09bd8965e..8d24f119c 100644
--- a/dosagelib/plugins/drunkduck.py
+++ b/dosagelib/plugins/drunkduck.py
@@ -14,7 +14,8 @@ _nextSearch = compile(_linkSearch + tagre("img", "class", "arrow_next"))
 _lastSearch = compile(_linkSearch + tagre("img", "class", "arrow_last"))
 
 def add(name, path):
-    classname = 'DrunkDuck_%s' % name
+    # XXX disallowed by robots.txt
+    classname = '_DrunkDuck_%s' % name
     _url = 'http://www.theduckwebcomics.com/%s/' % path
 
     @classmethod