helper: StrategyChoiceHelper
diff --git a/helper/ndn-stack-helper.hpp b/helper/ndn-stack-helper.hpp
index bc9ff3e..77d3b5c 100644
--- a/helper/ndn-stack-helper.hpp
+++ b/helper/ndn-stack-helper.hpp
@@ -31,6 +31,7 @@
 
 #include "ndn-face-container.hpp"
 #include "ndn-fib-helper.hpp"
+#include "ndn-strategy-choice-helper.hpp"
 
 namespace ns3 {