diff --git a/core/src/main/java/hudson/util/RobustReflectionConverter.java b/core/src/main/java/hudson/util/RobustReflectionConverter.java
index c7f50668410dc49091803392e7bc5bc43ced6d28..31e7e34be94fd15b4e6a6ee1ec74b9213ee6583e 100644
--- a/core/src/main/java/hudson/util/RobustReflectionConverter.java
+++ b/core/src/main/java/hudson/util/RobustReflectionConverter.java
@@ -224,11 +224,7 @@ public class RobustReflectionConverter implements Converter {
     private boolean fieldDefinedInClass(Object result, String attrName) {
         // during unmarshalling, unmarshal into transient fields like XStream 1.1.3
         //boolean fieldExistsInClass = reflectionProvider.fieldDefinedInClass(attrName, result.getClass());
-        try {
-            return reflectionProvider.getField(result.getClass(),attrName)!=null;
-        } catch (ObjectAccessException e) {
-            return false;
-        }
+        return reflectionProvider.getFieldOrNull(result.getClass(),attrName)!=null;
     }
 
     protected Object unmarshallField(final UnmarshallingContext context, final Object result, Class type, Field field) {