diff --git a/readthedocs/projects/views/private.py b/readthedocs/projects/views/private.py
index c20d3a088c8..f3471ec24d8 100644
--- a/readthedocs/projects/views/private.py
+++ b/readthedocs/projects/views/private.py
@@ -30,6 +30,7 @@
 from readthedocs.builds.models import Version
 from readthedocs.core.mixins import ListViewWithForm, LoginRequiredMixin
 from readthedocs.core.utils import broadcast, trigger_build
+from readthedocs.core.utils.extend import SettingsOverrideObject
 from readthedocs.integrations.models import HttpExchange, Integration
 from readthedocs.oauth.services import registry
 from readthedocs.oauth.tasks import attach_webhook
@@ -726,10 +727,14 @@ def get_context_data(self, **kwargs):
         return ctx
 
 
-class DomainCreate(DomainMixin, CreateView):
+class DomainCreateBase(DomainMixin, CreateView):
     pass
 
 
+class DomainCreate(SettingsOverrideObject):
+    _default_class = DomainCreateBase
+
+
 class DomainUpdate(DomainMixin, UpdateView):
     pass