diff --git a/src/django_clickhouse/management/commands/clickhouse_migrate.py b/src/django_clickhouse/management/commands/clickhouse_migrate.py
index 8927141..d1c0a9e 100644
--- a/src/django_clickhouse/management/commands/clickhouse_migrate.py
+++ b/src/django_clickhouse/management/commands/clickhouse_migrate.py
@@ -23,7 +23,7 @@ class Command(BaseCommand):
                                  ' By default all available migrations are applied.'
                                  ' Note that library currently have no ability rollback migrations')
 
-        parser.add_argument('--database', '-d', nargs='?', type=str, required=False, choices=config.DATABASES.keys(),
+        parser.add_argument('--database', '-d', nargs='?', type=str, required=False, choices=list(config.DATABASES.keys()),
                             help='ClickHouse database alias key from CLICKHOUSE_DATABASES django setting.'
                                  ' By default migrations are applied to all databases.')