diff --git a/lib/killbill_client/models/account.rb b/lib/killbill_client/models/account.rb
index b980d0b..7bfee16 100644
--- a/lib/killbill_client/models/account.rb
+++ b/lib/killbill_client/models/account.rb
@@ -146,6 +146,7 @@ def bundles(options = {})
       def invoices(options = {})
         self.class.get "#{KILLBILL_API_ACCOUNTS_PREFIX}/#{account_id}/invoices",
                        {
+                           :withInvoiceItems => true
                        },
                        options,
                        Invoice