diff --git a/config/application.rb b/config/application.rb
index fd25737a4e..5dc43f997c 100644
--- a/config/application.rb
+++ b/config/application.rb
@@ -240,6 +240,7 @@ module Openfoodnetwork
     config.generators.template_engine = :haml
 
     Rails.application.routes.default_url_options[:host] = ENV["SITE_URL"]
+    DfcProvider::Engine.routes.default_url_options[:host] = ENV["SITE_URL"]
 
     Rails.autoloaders.main.ignore(Rails.root.join('app/webpacker'))
 
diff --git a/engines/dfc_provider/app/serializers/dfc_provider/base_serializer.rb b/engines/dfc_provider/app/serializers/dfc_provider/base_serializer.rb
index 02394a8813..06ecb236ae 100644
--- a/engines/dfc_provider/app/serializers/dfc_provider/base_serializer.rb
+++ b/engines/dfc_provider/app/serializers/dfc_provider/base_serializer.rb
@@ -6,10 +6,6 @@ module DfcProvider
   class BaseSerializer < ActiveModel::Serializer
     private
 
-    def host
-      Rails.application.routes.default_url_options[:host]
-    end
-
     def dfc_provider_routes
       DfcProvider::Engine.routes.url_helpers
     end
diff --git a/engines/dfc_provider/app/serializers/dfc_provider/catalog_item_serializer.rb b/engines/dfc_provider/app/serializers/dfc_provider/catalog_item_serializer.rb
index edaf72ae7c..0ff979ad47 100644
--- a/engines/dfc_provider/app/serializers/dfc_provider/catalog_item_serializer.rb
+++ b/engines/dfc_provider/app/serializers/dfc_provider/catalog_item_serializer.rb
@@ -17,7 +17,6 @@ module DfcProvider
       dfc_provider_routes.enterprise_catalog_item_url(
         enterprise_id: object.product.supplier_id,
         id: object.id,
-        host: host
       )
     end
 
@@ -44,7 +43,6 @@ module DfcProvider
       dfc_provider_routes.enterprise_supplied_product_url(
         enterprise_id: object.product.supplier_id,
         id: object.id,
-        host: host
       )
     end
   end
diff --git a/engines/dfc_provider/app/serializers/dfc_provider/enterprise_serializer.rb b/engines/dfc_provider/app/serializers/dfc_provider/enterprise_serializer.rb
index 7428a54652..b45b52250e 100644
--- a/engines/dfc_provider/app/serializers/dfc_provider/enterprise_serializer.rb
+++ b/engines/dfc_provider/app/serializers/dfc_provider/enterprise_serializer.rb
@@ -18,7 +18,6 @@ module DfcProvider
     def id
       dfc_provider_routes.enterprise_url(
         id: object.id,
-        host: host
       )
     end
 
diff --git a/engines/dfc_provider/app/serializers/dfc_provider/person_serializer.rb b/engines/dfc_provider/app/serializers/dfc_provider/person_serializer.rb
index 2e93775167..2210550960 100644
--- a/engines/dfc_provider/app/serializers/dfc_provider/person_serializer.rb
+++ b/engines/dfc_provider/app/serializers/dfc_provider/person_serializer.rb
@@ -30,7 +30,6 @@ module DfcProvider
     def id
       dfc_provider_routes.person_url(
         id: object.id,
-        host: host
       )
     end
 
diff --git a/engines/dfc_provider/app/serializers/dfc_provider/supplied_product_serializer.rb b/engines/dfc_provider/app/serializers/dfc_provider/supplied_product_serializer.rb
index db6540535d..836b20e3ed 100644
--- a/engines/dfc_provider/app/serializers/dfc_provider/supplied_product_serializer.rb
+++ b/engines/dfc_provider/app/serializers/dfc_provider/supplied_product_serializer.rb
@@ -20,7 +20,6 @@ module DfcProvider
       dfc_provider_routes.enterprise_supplied_product_url(
         enterprise_id: object.product.supplier_id,
         id: object.id,
-        host: host
       )
     end