diff --git a/app/controllers/repp/v1/domains_controller.rb b/app/controllers/repp/v1/domains_controller.rb
index 8213f2bb2..05cb5b754 100644
--- a/app/controllers/repp/v1/domains_controller.rb
+++ b/app/controllers/repp/v1/domains_controller.rb
@@ -35,9 +35,9 @@ module Repp
           param :ipv4, Array, desc: 'Array of IPv4 addresses'
           param :ipv6, Array, desc: 'Array of IPv4 addresses'
         end
-        param :admin_domain_contacts_attributes, Array, required: false,
+        param :admin_contacts, Array, required: false,
                                                         desc: 'Admin domain contacts codes'
-        param :tech_domain_contacts_attributes, Array, required: false,
+        param :tech_contacts, Array, required: false,
                                                        desc: 'Tech domain contacts codes'
         param :dnskeys_attributes, Array, required: false, desc: 'DNSSEC keys for domain' do
           param_group :dns_keys_apidoc, Repp::V1::Domains::DnssecController
@@ -219,8 +219,8 @@ module Repp
         params.require(:domain).permit(:name, :registrant_id, :period, :period_unit, :registrar_id,
                                        dnskeys_attributes: [%i[flags alg protocol public_key]],
                                        nameservers_attributes: [[:hostname, ipv4: [], ipv6: []]],
-                                       admin_domain_contacts_attributes: [],
-                                       tech_domain_contacts_attributes: [])
+                                       admin_contacts: [],
+                                       tech_contacts: [])
       end
     end
   end
diff --git a/app/interactions/actions/domain_create.rb b/app/interactions/actions/domain_create.rb
index 9c2dfba56..4534dfa5e 100644
--- a/app/interactions/actions/domain_create.rb
+++ b/app/interactions/actions/domain_create.rb
@@ -129,8 +129,8 @@ module Actions
     def assign_domain_contacts
       @admin_contacts = []
       @tech_contacts = []
-      params[:admin_domain_contacts_attributes]&.each { |c| assign_contact(c) }
-      params[:tech_domain_contacts_attributes]&.each { |c| assign_contact(c, admin: false) }
+      params[:admin_contacts]&.each { |c| assign_contact(c) }
+      params[:tech_contacts]&.each { |c| assign_contact(c, admin: false) }
 
       domain.admin_domain_contacts_attributes = @admin_contacts
       domain.tech_domain_contacts_attributes = @tech_contacts
@@ -144,8 +144,7 @@ module Actions
       domain.expire_time = calculate_expiry(period)
     end
 
-    def calculate_expiry(period)
-      plural_period_unit_name = (domain.period_unit == 'm' ? 'months' : 'years').to_sym
+    def calculate_expiry(period)      plural_period_unit_name = (domain.period_unit == 'm' ? 'months' : 'years').to_sym
       (Time.zone.now.advance(plural_period_unit_name => period) + 1.day).beginning_of_day
     end
 
diff --git a/lib/deserializers/xml/domain_create.rb b/lib/deserializers/xml/domain_create.rb
index e251dad88..78642d892 100644
--- a/lib/deserializers/xml/domain_create.rb
+++ b/lib/deserializers/xml/domain_create.rb
@@ -15,8 +15,8 @@ module Deserializers
 
       def call
         obj = domain
-        obj[:admin_domain_contacts_attributes] = admin_contacts
-        obj[:tech_domain_contacts_attributes] = tech_contacts
+        obj[:admin_contacts] = admin_contacts
+        obj[:tech_contacts] = tech_contacts
         obj[:nameservers_attributes] = nameservers
         obj[:dnskeys_attributes] = dns_keys
         obj[:legal_document] = legal_document
diff --git a/test/integration/repp/v1/domains/create_test.rb b/test/integration/repp/v1/domains/create_test.rb
index f3cd4808f..ca1c08c5e 100644
--- a/test/integration/repp/v1/domains/create_test.rb
+++ b/test/integration/repp/v1/domains/create_test.rb
@@ -94,8 +94,8 @@ class ReppV1DomainsCreateTest < ActionDispatch::IntegrationTest
         registrant_id: contact.code,
         period: 1,
         period_unit: 'y',
-        admin_domain_contacts_attributes: [ admin_contact.code ],
-        tech_domain_contacts_attributes: [ tech_contact.code ],
+        admin_contacts: [ admin_contact.code ],
+        tech_contacts: [ tech_contact.code ],
       }
     }