diff --git a/sat/plugins/plugin_misc_lists.py b/sat/plugins/plugin_misc_lists.py
index f72bac09..ad7f5c0b 100644
--- a/sat/plugins/plugin_misc_lists.py
+++ b/sat/plugins/plugin_misc_lists.py
@@ -207,7 +207,7 @@ class PubsubLists:
         self.host = host
         self._s = self.host.plugins["XEP-0346"]
         self.namespace = self._s.getSubmittedNS(APP_NS_TICKETS)
-        host.registerNamespace("tickets", self.namespace)
+        host.registerNamespace("tickets", APP_NS_TICKETS)
         self._p = self.host.plugins["XEP-0060"]
         self._m = self.host.plugins["XEP-0277"]
         host.bridge.addMethod(