diff --git a/git_cl.py b/git_cl.py
index dae4a832a9..d3b2ce5c3d 100755
--- a/git_cl.py
+++ b/git_cl.py
@@ -1384,7 +1384,7 @@ class Changelist(object):
             f for f in files
             if status[f] == owners_client.INSUFFICIENT_REVIEWERS
         ]
-        add_owners = client.SuggestOwners(project, branch, missing_files)
+        add_owners = client.SuggestOwners(missing_files)
       change_description.update_reviewers(
           options.reviewers, options.tbrs, options.add_owners_to, add_owners)