diff --git a/lib/active_zuora/generator.rb b/lib/active_zuora/generator.rb
index <HASH>..<HASH> 100644
--- a/lib/active_zuora/generator.rb
+++ b/lib/active_zuora/generator.rb
@@ -167,6 +167,12 @@ module ActiveZuora
           :second_token_id, :skip_validation, :token_id
       end
 
+      customize 'ProductRatePlan' do
+        include LazyAttr
+        exclude_from_queries :active_currencies
+        lazy_load :active_currencies
+      end
+
       customize 'ProductRatePlanCharge' do
         exclude_from_queries :product_rate_plan_charge_tier_data
       end
Lazy load Active Currencies on Product Rate Plans

Product Rate Plans must query for the Active Currencies field by itself. This excludes the field from normal queries and lazy loads it instead.