--- a/hgext3rd/topic/__init__.py	Wed Jun 28 17:28:56 2017 +0200
+++ b/hgext3rd/topic/__init__.py	Mon Jun 26 21:48:33 2017 +0530
@@ -412,7 +412,7 @@
         ui.status('please run hg evolve --rev "%s" now\n' % evolvetarget)
 
 def _listtopics(ui, repo, opts):
-    fm = ui.formatter('bookmarks', opts)
+    fm = ui.formatter('topics', opts)
     activetopic = repo.currenttopic
     namemask = '%s'
     if repo.topics and ui.verbose: