diff --git a/ckan/tests/controllers/test_user.py b/ckan/tests/controllers/test_user.py
index 30f5b91acbd..0c5801e284b 100644
--- a/ckan/tests/controllers/test_user.py
+++ b/ckan/tests/controllers/test_user.py
@@ -430,8 +430,8 @@ def test_edit_user_logged_in_username_change_by_id(self, app, user):
 
     def test_edit_user_logged_in_username_change_by_sysadmin(
             self, app, user, sysadmin):
-        env = {"Authorization": sysadmin["token"]}
 
+        headers = {"Authorization": sysadmin["token"]}
         response = app.post(
             url=url_for("user.edit", id=user["id"]),
             data={
@@ -441,7 +441,7 @@ def test_edit_user_logged_in_username_change_by_sysadmin(
                 "password2": "",
                 "name": factories.User.stub().name,
             },
-            extra_environ=env
+            headers=headers
         )
         assert 'Profile updated' in response