diff --git a/helper/ndn-strategy-choice-helper.hpp b/helper/ndn-strategy-choice-helper.hpp
index aea07f3..302682a 100644
--- a/helper/ndn-strategy-choice-helper.hpp
+++ b/helper/ndn-strategy-choice-helper.hpp
@@ -120,7 +120,7 @@
   nfd::StrategyChoice& strategyChoice = forwarder.getStrategyChoice();
 
   if (!strategyChoice.hasStrategy(Strategy::STRATEGY_NAME)) {
-    strategyChoice.install(make_shared<Strategy>(ref(forwarder)));
+    strategyChoice.install(make_unique<Strategy>(ref(forwarder)));
   }
 
   Install(node, namePrefix, Strategy::STRATEGY_NAME);