diff --git a/index.js b/index.js
index e255f22..b57d23d 100644
--- a/index.js
+++ b/index.js
@@ -114,7 +114,7 @@ function walk (root, cb, immutable) {
             state.isLeaf = Object.keys(node).length == 0
             
             for (var i = 0; i < parents.length; i++) {
-                if (parents[i].node === node) {
+                if (parents[i].node_ === node_) {
                     state.circular = parents[i];
                     break;
                 }
diff --git a/package.json b/package.json
index b3075a8..bd49ec8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name" : "traverse",
-    "version" : "0.3.4",
+    "version" : "0.3.5",
     "description" : "Traverse and transform objects by visiting every node on a recursive walk",
     "author" : "James Halliday",
     "license" : "MIT/X11",