diff --git a/src/update/manager-base.cpp b/src/update/manager-base.cpp
index f8ab6d1..ccd00e1 100644
--- a/src/update/manager-base.cpp
+++ b/src/update/manager-base.cpp
@@ -64,7 +64,7 @@
     NLSR_LOG_INFO("Advertising name: " << castParams.getName() << "\n");
     m_lsdb.buildAndInstallOwnNameLsa();
     if (castParams.hasFlags() && castParams.getFlags() == PREFIX_FLAG) {
-      NLSR_LOG_INFO("Saving name to the configuration file");
+      NLSR_LOG_INFO("Saving name to the configuration file ");
       if (afterAdvertise(castParams.getName()) == true) {
         return done(ndn::nfd::ControlResponse(205, "OK").setBody(parameters.wireEncode()));
       }
diff --git a/src/update/prefix-update-processor.cpp b/src/update/prefix-update-processor.cpp
index 3573ef0..6222198 100644
--- a/src/update/prefix-update-processor.cpp
+++ b/src/update/prefix-update-processor.cpp
@@ -51,11 +51,11 @@
 }
 
 PrefixUpdateProcessor::PrefixUpdateProcessor(ndn::mgmt::Dispatcher& dispatcher,
-                                             ndn::Face& face,
+                                             ndn::security::ValidatorConfig& validator,
                                              NamePrefixList& namePrefixList,
                                              Lsdb& lsdb, const std::string& configFileName)
   : CommandManagerBase(dispatcher, namePrefixList, lsdb, "prefix-update")
-  , m_validator(std::make_unique<ndn::security::v2::CertificateFetcherDirectFetch>(face))
+  , m_validator(validator)
   , m_configFileName(configFileName)
 {
   NLSR_LOG_DEBUG("Setting dispatcher to capture Interests for: "
@@ -178,14 +178,14 @@
 }
 
 ndn::optional<bool>
-PrefixUpdateProcessor::afterAdvertise(const ndn::Name& prefix) {
-
+PrefixUpdateProcessor::afterAdvertise(const ndn::Name& prefix)
+{
   return addOrDeletePrefix(prefix, true);
 }
 
 ndn::optional<bool>
-PrefixUpdateProcessor::afterWithdraw(const ndn::Name& prefix) {
-
+PrefixUpdateProcessor::afterWithdraw(const ndn::Name& prefix)
+{
   return addOrDeletePrefix(prefix, false);
 }
 
diff --git a/src/update/prefix-update-processor.hpp b/src/update/prefix-update-processor.hpp
index 4491448..f397df1 100644
--- a/src/update/prefix-update-processor.hpp
+++ b/src/update/prefix-update-processor.hpp
@@ -44,7 +44,7 @@
 {
 public:
   PrefixUpdateProcessor(ndn::mgmt::Dispatcher& dispatcher,
-                        ndn::Face& face,
+                        ndn::security::ValidatorConfig& validator,
                         NamePrefixList& namePrefixList,
                         Lsdb& lsdb, const std::string& configFileName);
 
@@ -95,7 +95,7 @@
   makeAuthorization();
 
 private:
-  ndn::security::ValidatorConfig m_validator;
+  ndn::security::ValidatorConfig& m_validator;
   const std::string& m_configFileName;
 };