diff --git a/javamelody-core/src/main/java/net/bull/javamelody/internal/model/TransportFormat.java b/javamelody-core/src/main/java/net/bull/javamelody/internal/model/TransportFormat.java
index <HASH>..<HASH> 100644
--- a/javamelody-core/src/main/java/net/bull/javamelody/internal/model/TransportFormat.java
+++ b/javamelody-core/src/main/java/net/bull/javamelody/internal/model/TransportFormat.java
@@ -139,7 +139,7 @@ public enum TransportFormat {
 			if (json) {

 				// format json

 				xstream = new XStream(new JsonHierarchicalStreamDriver());

-				xstream.setMode(XStream.NO_REFERENCES);

+				// #884 removed xstream.setMode(XStream.NO_REFERENCES);

 			} else {

 				// sinon format xml, utilise la dépendance XPP3 par défaut

 				xstream = new XStream();
fix #<I> CircularReferenceException in External API with JSON for current requests