diff --git a/apps/ndn-consumer-zipf-mandelbrot.cc b/apps/ndn-consumer-zipf-mandelbrot.cc
index 866eb48..3f863f5 100644
--- a/apps/ndn-consumer-zipf-mandelbrot.cc
+++ b/apps/ndn-consumer-zipf-mandelbrot.cc
@@ -176,7 +176,7 @@
 
   //
   Ptr<Name> nameWithSequence = Create<Name> (m_interestName);
-  (*nameWithSequence) (seq);
+  nameWithSequence->appendSeqNum (seq);
   //
 
   Ptr<Interest> interest = Create<Interest> ();