diff --git a/tools/ndn-autoconfig/procedure.hpp b/tools/ndn-autoconfig/procedure.hpp
index 0f65b89..67e1209 100644
--- a/tools/ndn-autoconfig/procedure.hpp
+++ b/tools/ndn-autoconfig/procedure.hpp
@@ -45,6 +45,9 @@
 public:
   Procedure(Face& face, KeyChain& keyChain);
 
+  virtual
+  ~Procedure() = default;
+
   void
   initialize(const Options& options);