diff --git a/examples/ndn-simple.cpp b/examples/ndn-simple.cpp
index b7755e8..3e480e1 100644
--- a/examples/ndn-simple.cpp
+++ b/examples/ndn-simple.cpp
@@ -23,7 +23,7 @@
 #include "ns3/point-to-point-module.h"
 #include "ns3/ndnSIM-module.h"
 
-using namespace ns3;
+namespace ns3 {
 
 /**
  * This scenario simulates a very simple network topology:
@@ -71,6 +71,9 @@
   ndnHelper.SetDefaultRoutes(true);
   ndnHelper.InstallAll();
 
+  // Choosing forwarding strategy
+  ndn::StrategyChoiceHelper::InstallAll("/prefix", "/localhost/nfd/strategy/broadcast");
+
   // Installing applications
 
   // Consumer
@@ -94,3 +97,11 @@
 
   return 0;
 }
+
+} // namespace ns3
+
+int
+main(int argc, char* argv[])
+{
+  return ns3::main(argc, argv);
+}