diff --git a/examples/ndn-simple-with-link-failure.cpp b/examples/ndn-simple-with-link-failure.cpp
index c020a36..4fb20ba 100644
--- a/examples/ndn-simple-with-link-failure.cpp
+++ b/examples/ndn-simple-with-link-failure.cpp
@@ -25,9 +25,9 @@
 #include "ns3/ndnSIM-module.h"
 
 // for LinkStatusControl::FailLinks and LinkStatusControl::UpLinks
-#include "ns3/ndn-link-control-helper.hpp"
+#include "ns3/ndnSIM/helper/ndn-link-control-helper.hpp"
 
-using namespace ns3;
+namespace ns3 {
 
 /**
  * This scenario simulates a very simple network topology:
@@ -102,3 +102,11 @@
 
   return 0;
 }
+
+} // namespace ns3
+
+int
+main(int argc, char* argv[])
+{
+  return ns3::main(argc, argv);
+}