1 files changed, 2 insertions, 1 deletions
diff --git a/src/mailman/rest/urls.py b/src/mailman/rest/urls.py
index 6c455ceb9..e631f1f9b 100644
--- a/src/mailman/rest/urls.py
+++ b/src/mailman/rest/urls.py
@@ -28,6 +28,7 @@ __all__ = [
 
 import logging
 
+from zope.component import getUtility
 from zope.interface import implements
 from zope.traversing.browser.interfaces import IAbsoluteURL
 
@@ -82,7 +83,7 @@ class FallbackURLMapper(BasicURLMapper):
             return ''
         urls = {
             system: 'system',
-            IListManager(config): 'lists',
+            getUtility(IListManager): 'lists',
             }
         return urls[ob]