diff --git a/apps/acls/migrations/0016_auto_20230606_1857.py b/apps/acls/migrations/0016_auto_20230606_1857.py
index 2838b5d1f..d703dac52 100644
--- a/apps/acls/migrations/0016_auto_20230606_1857.py
+++ b/apps/acls/migrations/0016_auto_20230606_1857.py
@@ -1,5 +1,4 @@
 # Generated by Django 3.2.17 on 2023-06-06 10:57
-from collections import defaultdict
 
 from django.db import migrations, models
 
@@ -8,17 +7,20 @@ import common.db.fields
 
 def migrate_users_login_acls(apps, schema_editor):
     login_acl_model = apps.get_model('acls', 'LoginACL')
-    name_used = defaultdict(int)
 
-    for login_acl in login_acl_model.objects.all():
-        name = login_acl.name
-        if name_used[name] > 0:
-            login_acl.name += "_{}".format(name_used[name])
-        name_used[name] += 1
+    name_used = []
+    login_acls = []
+    for login_acl in login_acl_model.objects.all().select_related('user'):
+        name = '{}_{}'.format(login_acl.name, login_acl.user.username)
+        if name.lower() in name_used:
+            name += '_{}'.format(str(login_acl.user_id)[:4])
+        name_used.append(name.lower())
+        login_acl.name = name
         login_acl.users = {
             "type": "ids", "ids": [str(login_acl.user_id)]
         }
-        login_acl.save()
+        login_acls.append(login_acl)
+    login_acl_model.objects.bulk_update(login_acls, ['name', 'users'])
 
 
 class Migration(migrations.Migration):