diff --git a/sleekxmpp/plugins/old_0050.py b/sleekxmpp/plugins/old_0050.py
index 439bebb9..6e969a51 100644
--- a/sleekxmpp/plugins/old_0050.py
+++ b/sleekxmpp/plugins/old_0050.py
@@ -11,7 +11,7 @@ import logging
 from xml.etree import cElementTree as ET
 import time
 
-class xep_0050(base.base_plugin):
+class old_0050(base.base_plugin):
 	"""
 	XEP-0050 Ad-Hoc Commands
 	"""