diff --git a/model/ccnx-forwarding-strategy.h b/model/ccnx-forwarding-strategy.h
index 7e310b0..0e6134e 100644
--- a/model/ccnx-forwarding-strategy.h
+++ b/model/ccnx-forwarding-strategy.h
@@ -41,7 +41,7 @@
 public:
   static TypeId GetTypeId (void);
 
-  CcnxForwardingStrategy ();
+  CcnxForwardingStrategy (Ptr<CcnxFib> fib);
 
   typedef
   Callback<void, const Ptr<CcnxFace> &, const Ptr<CcnxInterestHeader> &, const Ptr<Packet> &>