diff --git a/config/initializers/inflections.rb b/config/initializers/inflections.rb
index b4eccb451..1013f270b 100644
--- a/config/initializers/inflections.rb
+++ b/config/initializers/inflections.rb
@@ -12,4 +12,5 @@
 
 ActiveSupport::Inflector.inflections(:en) do |inflect|
   inflect.acronym 'DNS'
+  inflect.irregular 'business_registry_cache', 'business_registry_caches'
 end
diff --git a/test/fixtures/business_registry_caches.yml b/test/fixtures/business_registry_caches.yml
index c55c98e0d..a54f1ffad 100644
--- a/test/fixtures/business_registry_caches.yml
+++ b/test/fixtures/business_registry_caches.yml
@@ -1,8 +1,7 @@
-first:
+one:
   ident: 1234
   ident_country_code: US
-  associated_businesses:
-    - 1234
+  associated_businesses: []
   retrieved_on: 2010-07-05 10:30
   created_at: 2010-07-05 10:30
   updated_at: 2010-07-05 10:30
diff --git a/test/integration/api/v1/registrant/contacts/update_test.rb b/test/integration/api/v1/registrant/contacts/update_test.rb
index cc9b04ec2..00e66a1c8 100644
--- a/test/integration/api/v1/registrant/contacts/update_test.rb
+++ b/test/integration/api/v1/registrant/contacts/update_test.rb
@@ -160,7 +160,9 @@ class RegistrantApiV1ContactUpdateTest < ActionDispatch::IntegrationTest
   end
 
   def test_legal_persons_disclosed_attributes_cannot_be_changed
+    business_registry_caches(:one).update!(associated_businesses: %w[1234])
     @contact.update!(ident_type: Contact::ORG,
+                     ident: '1234',
                      disclosed_attributes: %w[])
 
     assert_no_changes -> { @contact.disclosed_attributes } do