diff --git a/examples/custom-strategies/custom-strategy.cc b/examples/custom-strategies/custom-strategy.cc
index 3b1cea1..be1f25b 100644
--- a/examples/custom-strategies/custom-strategy.cc
+++ b/examples/custom-strategies/custom-strategy.cc
@@ -75,7 +75,7 @@
 }
 
 void
-CustomStrategy::DidSendOutInterest (Ptr<Face> outFace,
+CustomStrategy::DidSendOutInterest (Ptr<Face> inFace, Ptr<Face> outFace,
                                     Ptr<const InterestHeader> header,
                                     Ptr<const Packet> origPacket,
                                     Ptr<pit::Entry> pitEntry)