diff --git a/model/ccnx-fib.h b/model/ccnx-fib.h
index 5b16e81..1080d00 100644
--- a/model/ccnx-fib.h
+++ b/model/ccnx-fib.h
@@ -223,10 +223,17 @@
  * \ingroup ccnx
  * \brief Class implementing FIB functionality
  */
-class CcnxFib
+class CcnxFib : public Object
 {
 public:
   /**
+   * \brief Interface ID
+   *
+   * \return interface ID
+   */
+  static TypeId GetTypeId ();
+
+  /**
    * \brief Constructor
    */
   CcnxFib ();