diff --git a/seminar/management/commands/testdata.py b/seminar/management/commands/testdata.py
index dda7b097..74167624 100644
--- a/seminar/management/commands/testdata.py
+++ b/seminar/management/commands/testdata.py
@@ -4,7 +4,7 @@ import datetime
 import os
 import random
 
-from django.core.management.base import NoArgsCommand
+from django.core.management.base import BaseCommand
 from django.core.management import call_command
 from django.conf import settings
 
@@ -14,10 +14,10 @@ import django.contrib.auth
 User = django.contrib.auth.get_user_model()
 
 
-class Command(NoArgsCommand):
+class Command(BaseCommand):
     help = "Clear database and load testing data."
 
-    def handle_noargs(self, **options):
+    def handle(self, **options):
         assert settings.DEBUG == True
         dbfile = settings.DATABASES['default']['NAME']
         if os.path.exists(dbfile):