diff --git a/odoo/addons/base/models/res_users.py b/odoo/addons/base/models/res_users.py
index 4ca5f98d0ee..aabbc4ffdd6 100644
--- a/odoo/addons/base/models/res_users.py
+++ b/odoo/addons/base/models/res_users.py
@@ -920,7 +920,7 @@ class GroupsView(models.Model):
         def linearize(app, gs):
             # 'User Type' is an exception
             if app.xml_id == 'base.module_category_user_type':
-                return (app, 'selection', gs)
+                return (app, 'selection', gs.sorted('id'))
             # determine sequence order: a group appears after its implied groups
             order = {g: len(g.trans_implied_ids & gs) for g in gs}
             # check whether order is total, i.e., sequence orders are distinct