diff --git a/hobo/environment/management/commands/cook.py b/hobo/environment/management/commands/cook.py
index 503fa6e..d44fd98 100644
--- a/hobo/environment/management/commands/cook.py
+++ b/hobo/environment/management/commands/cook.py
@@ -172,23 +172,34 @@ class Command(BaseCommand):
     def create_site(self, klass, base_url, title, slug, template_name, variables):
         if slug is None:
             slug = klass.Extra.service_default_slug
-        obj, must_save = klass.objects.get_or_create(
-            slug=slug, defaults={'title': title, 'base_url': base_url, 'template_name': template_name}
-        )
+
+        try:
+            obj = klass.objects.get(slug=slug)
+            must_save = False
+        except klass.DoesNotExist:
+            obj = klass(slug=slug)
+            must_save = True
+
         for attr in ('title', 'base_url', 'template_name'):
             if getattr(obj, attr) != locals().get(attr):
                 setattr(obj, attr, locals().get(attr))
                 must_save = True
-        if must_save:
-            try:
-                obj.full_clean(
-                    exclude=['last_operational_success_timestamp', 'last_operational_check_timestamp']
-                )
-            except ValidationError as e:
-                raise CommandError(str(e))
 
+        try:
+            obj.full_clean(
+                exclude=[
+                    'secret_key',
+                    'last_operational_success_timestamp',
+                    'last_operational_check_timestamp',
+                ]
+            )
+        except ValidationError as e:
+            raise CommandError(str(e))
+
+        if must_save:
             obj.save()
             self.must_notify = True
+
         variables = variables or {}
         obj_type = ContentType.objects.get_for_model(klass)
         for variable_name in variables.keys():