diff --git a/diylc/diylc-core/src/org/diylc/presenter/MeasureConverter.java b/diylc/diylc-core/src/org/diylc/presenter/MeasureConverter.java
index fe946237..916babab 100644
--- a/diylc/diylc-core/src/org/diylc/presenter/MeasureConverter.java
+++ b/diylc/diylc-core/src/org/diylc/presenter/MeasureConverter.java
@@ -23,8 +23,6 @@ package org.diylc.presenter;
 
 import org.diylc.core.measures.AbstractMeasure;
 
-import sun.reflect.generics.reflectiveObjects.ParameterizedTypeImpl;
-
 import com.thoughtworks.xstream.converters.Converter;
 import com.thoughtworks.xstream.converters.MarshallingContext;
 import com.thoughtworks.xstream.converters.UnmarshallingContext;
@@ -75,8 +73,8 @@ public class MeasureConverter implements Converter {
       }
     }    
     try {
-      Class requiredType = context.getRequiredType(); 
-      ParameterizedTypeImpl generic = (ParameterizedTypeImpl)requiredType.getGenericSuperclass();
+      Class requiredType = context.getRequiredType();       
+      java.lang.reflect.ParameterizedType generic = (java.lang.reflect.ParameterizedType)requiredType.getGenericSuperclass();
       Class unitType = (Class)generic.getActualTypeArguments()[0];
       Object unit = unitStr == null ? null : Enum.valueOf(unitType, unitStr);
       return requiredType.getConstructor(Double.class, unitType).newInstance(value, unit);