diff --git a/src/sync-policy-manager.h b/src/sync-policy-manager.h
index fac9b4a..ad4345a 100644
--- a/src/sync-policy-manager.h
+++ b/src/sync-policy-manager.h
@@ -118,6 +118,7 @@
   std::map<ndn::Name, ndn::security::Publickey> m_trustedProducers;
   std::map<ndn::Name, SpecificPolicyRule> m_chatDataRules;
 
+  ndn::Ptr<ndn::security::IdentityManager> m_identityManager;
   ndn::Ptr<ndn::Wrapper> m_handler;
 };