diff --git a/app/serializers/api/address_serializer.rb b/app/serializers/api/address_serializer.rb
index 6edbc6adc9..4c1c3e6c3f 100644
--- a/app/serializers/api/address_serializer.rb
+++ b/app/serializers/api/address_serializer.rb
@@ -1,8 +1,8 @@
 # frozen_string_literal: true
 
 class Api::AddressSerializer < ActiveModel::Serializer
-  # cached
-  # delegate :cache_key, to: :object
+  cached
+  delegate :cache_key, to: :object
 
   attributes :id, :zipcode, :city, :state_name, :state_id,
              :phone, :firstname, :lastname, :address1, :address2, :city, :country_id,
diff --git a/spec/serializers/api/address_serializer_spec.rb b/spec/serializers/api/address_serializer_spec.rb
index 96ffa9fec7..9ebbfcd2d7 100644
--- a/spec/serializers/api/address_serializer_spec.rb
+++ b/spec/serializers/api/address_serializer_spec.rb
@@ -29,10 +29,10 @@ describe Api::AddressSerializer do
       }
     end
 
-    it "updates even when database wasn't changed" do
+    it "uses stored result when database wasn't changed" do
       expect {
         address.first_name = "Nick"
-      }.to change {
+      }.to_not change {
         serializer.to_json
       }
     end