fields attribute to Meta
diff --git a/xos/onboard/volt/admin.py b/xos/onboard/volt/admin.py
index cf5dfa6..2e85622 100644
--- a/xos/onboard/volt/admin.py
+++ b/xos/onboard/volt/admin.py
@@ -79,6 +79,7 @@
 
     class Meta:
         model = VOLTTenant
+        fields = '__all__'
 
 class VOLTTenantAdmin(ReadOnlyAwareAdmin):
     list_display = ('backend_status_icon', 'id', 'service_specific_id', 's_tag', 'c_tag', 'subscriber_root' )