Index: src/java/com/thoughtworks/xstream/mapper/FieldAliasingMapper.java
===================================================================
--- src/java/com/thoughtworks/xstream/mapper/FieldAliasingMapper.java	(revision 848)
+++ src/java/com/thoughtworks/xstream/mapper/FieldAliasingMapper.java	(working copy)
@@ -57,7 +57,7 @@
         }
     }
 
-    public boolean shouldSerializeMember(Class definedIn, String fieldName) {
+    public boolean shouldSerializeMember(Class definedIn, String fieldName, Class fieldType, Object value) {
         return !fieldsToOmit.contains(key(definedIn, fieldName));
     }