diff --git a/openslides/participant/forms.py b/openslides/participant/forms.py
index 721cf2739..a630dae26 100644
--- a/openslides/participant/forms.py
+++ b/openslides/participant/forms.py
@@ -28,10 +28,8 @@ class UserCreateForm(forms.ModelForm, CssClassMixin):
     def __init__(self, *args, **kwargs):
         if kwargs.get('instance', None) is None:
             initial = kwargs.setdefault('initial', {})
-            registered, created = Group.objects.get_or_create(name__iexact='Registered')
-            if created:
-                registered.name = 'Registered'
-                registered.save()
+            registered, created = Group.objects.get_or_create(
+                name__iexact='Registered', defaults={'name': 'Registered'})
             initial['groups'] = [registered.pk]
         super(UserCreateForm, self).__init__(*args, **kwargs)
 
diff --git a/openslides/participant/models.py b/openslides/participant/models.py
index 94db74084..7f2270f0f 100644
--- a/openslides/participant/models.py
+++ b/openslides/participant/models.py
@@ -253,9 +253,7 @@ def djangogroup_post_save(sender, instance, signal, *args, **kwargs):
 def user_post_save(sender, instance, *args, **kwargs):
     if not kwargs['created']:
         return
-    registered, created = Group.objects.get_or_create(name__iexact='Registered')
-    if created:
-        registered.name = 'Registered'
-        registered.save()
+    registered, created = Group.objects.get_or_create(
+        name__iexact='Registered', defaults={'name': 'Registered'})
     instance.groups.add(registered)
     instance.save()