diff --git a/src/jvm/backtype/storm/tuple/Fields.java b/src/jvm/backtype/storm/tuple/Fields.java
index 9c0d7f877..dea5f4ffe 100644
--- a/src/jvm/backtype/storm/tuple/Fields.java
+++ b/src/jvm/backtype/storm/tuple/Fields.java
@@ -65,4 +65,9 @@ private void index() {
             _index.put(_fields.get(i), i);
         }
     }
+
+    @Override
+    public String toString() {
+        return _fields.toString();
+    }    
 }