diff --git a/app/models/domain.rb b/app/models/domain.rb
index 54dfe608e..5cc81723f 100644
--- a/app/models/domain.rb
+++ b/app/models/domain.rb
@@ -40,7 +40,7 @@ class Domain < ActiveRecord::Base
   has_many :contacts, through: :domain_contacts, source: :contact
   has_many :admin_contacts, through: :admin_domain_contacts, source: :contact
   has_many :tech_contacts, through: :tech_domain_contacts, source: :contact
-  has_many :nameservers, dependent: :destroy
+  has_many :nameservers, dependent: :destroy, inverse_of: :domain
 
   accepts_nested_attributes_for :nameservers, allow_destroy: true,
                                               reject_if: proc { |attrs| attrs[:hostname].blank? }