diff --git a/app/serializers/rest/terms_of_service_serializer.rb b/app/serializers/rest/terms_of_service_serializer.rb
index 373cb8b56f..c6a6f60aa5 100644
--- a/app/serializers/rest/terms_of_service_serializer.rb
+++ b/app/serializers/rest/terms_of_service_serializer.rb
@@ -16,7 +16,7 @@ class REST::TermsOfServiceSerializer < ActiveModel::Serializer
   end
 
   def content
-    markdown.render(format(object.text, domain: Rails.configuration.x.local_domain))
+    markdown.render(object.text.gsub(/%{domain}/, Rails.configuration.x.local_domain))
   end
 
   private