diff --git a/src/sync-policy-manager.h b/src/sync-policy-manager.h
index 418abc7..fac9b4a 100644
--- a/src/sync-policy-manager.h
+++ b/src/sync-policy-manager.h
@@ -58,7 +58,7 @@
                   bool isIntroducer);
 
   inline void 
-  setWrapper(ndn::Wrapper* handler)
+  setWrapper(ndn::Ptr<ndn::Wrapper> handler)
   { m_handler = handler; }
 
 private:
@@ -118,7 +118,7 @@
   std::map<ndn::Name, ndn::security::Publickey> m_trustedProducers;
   std::map<ndn::Name, SpecificPolicyRule> m_chatDataRules;
 
-  ndn::Wrapper* m_handler;
+  ndn::Ptr<ndn::Wrapper> m_handler;
 };
 
 #endif