diff --git a/src/LitJson/JsonMapper.cs b/src/LitJson/JsonMapper.cs
index 0fc106a..4c261b8 100644
--- a/src/LitJson/JsonMapper.cs
+++ b/src/LitJson/JsonMapper.cs
@@ -832,11 +832,12 @@ private static void WriteValue (object obj, JsonWriter writer,
                 }
                 else {
                     PropertyInfo p_info = (PropertyInfo) p_data.Info;
-
                     if (p_info.CanRead) {
-                        writer.WritePropertyName (p_data.Info.Name);
-                        WriteValue (p_info.GetValue (obj, null),
-                                    writer, writer_is_private, depth + 1);
+                        object prop_obj = p_info.GetValue(obj, null);
+                        if (prop_obj != obj) {
+                            writer.WritePropertyName (p_data.Info.Name);
+                            WriteValue (prop_obj, writer, writer_is_private, depth + 1);
+                        }
                     }
                 }
             }