build: Fixing of includes
diff --git a/examples/ndn-simple-with-link-failure.cpp b/examples/ndn-simple-with-link-failure.cpp
index 161e735..c96103d 100644
--- a/examples/ndn-simple-with-link-failure.cpp
+++ b/examples/ndn-simple-with-link-failure.cpp
@@ -25,7 +25,7 @@
 #include "ns3/ndnSIM-module.h"
 
 // for LinkStatusControl::FailLinks and LinkStatusControl::UpLinks
-#include "ns3/ndn-link-control-helper.h"
+#include "ns3/ndn-link-control-helper.hpp"
 
 using namespace ns3;