diff --git a/model/fw/flooding.cc b/model/fw/flooding.cc
index be969be..8c43c52 100644
--- a/model/fw/flooding.cc
+++ b/model/fw/flooding.cc
@@ -59,9 +59,9 @@
 }
 
 bool
-Flooding::DoPropagateInterest (const Ptr<Face> &incomingFace,
-                               Ptr<InterestHeader> header,
-                               const Ptr<const Packet> &packet,
+Flooding::DoPropagateInterest (Ptr<Face> inFace,
+                               Ptr<const InterestHeader> header,
+                               Ptr<const Packet> origPacket,
                                Ptr<pit::Entry> pitEntry)
 {
   NS_LOG_FUNCTION (this);
@@ -74,7 +74,7 @@
       if (metricFace.m_status == fib::FaceMetric::NDN_FIB_RED) // all non-read faces are in the front of the list
         break;
       
-      if (metricFace.m_face == incomingFace) 
+      if (metricFace.m_face == inFace) 
         {
           NS_LOG_DEBUG ("continue (same as incoming)");
           continue; // same face as incoming, don't forward
@@ -86,10 +86,10 @@
         }
 
       //transmission
-      Ptr<Packet> packetToSend = packet->Copy ();
+      Ptr<Packet> packetToSend = origPacket->Copy ();
       metricFace.m_face->Send (packetToSend);
 
-      DidSendOutInterest (metricFace.m_face, header, packet, pitEntry);
+      DidSendOutInterest (metricFace.m_face, header, origPacket, pitEntry);
       
       propagatedCount++;
     }