diff --git a/tools/ndns-export-certificate.cpp b/tools/ndns-export-certificate.cpp
index 701aa20..e72a841 100644
--- a/tools/ndns-export-certificate.cpp
+++ b/tools/ndns-export-certificate.cpp
@@ -93,7 +93,8 @@
   try {
     Name certName(certStr);
 
-    ndn::ndns::ManagementTool tool(db);
+    ndn::KeyChain keyChain;
+    ndn::ndns::ManagementTool tool(db, keyChain);
     tool.exportCertificate(certName, output);
   }
   catch (const std::exception& ex) {