killbill-memoizeit

diff --git a/jaxrs/src/main/java/com/ning/billing/jaxrs/json/AccountJson.java b/jaxrs/src/main/java/com/ning/billing/jaxrs/json/AccountJson.java
index 91a64c3..107a20f 100644
--- a/jaxrs/src/main/java/com/ning/billing/jaxrs/json/AccountJson.java
+++ b/jaxrs/src/main/java/com/ning/billing/jaxrs/json/AccountJson.java
@@ -117,7 +117,8 @@ public class AccountJson extends AccountJsonSimple {
 
             @Override
             public String getLocale() {
-                return null;
+                // TODO
+                return "en";
             }
 
             @Override