diff --git a/src/detail/pending-interest.hpp b/src/detail/pending-interest.hpp
index 32cdd66..ad03746 100644
--- a/src/detail/pending-interest.hpp
+++ b/src/detail/pending-interest.hpp
@@ -20,7 +20,7 @@
 
 namespace ndn {
 
-class PendingInterest
+class PendingInterest : noncopyable
 {
 public:
   typedef function<void(const Interest&, Data&)> OnData;