diff --git a/src/conf-file-processor.cpp b/src/conf-file-processor.cpp
index 10667f1..2bb7aef 100644
--- a/src/conf-file-processor.cpp
+++ b/src/conf-file-processor.cpp
@@ -35,6 +35,7 @@
 #include "conf-file-processor.hpp"
 #include "adjacent.hpp"
 #include "utility/name-helper.hpp"
+#include "update/prefix-update-processor.hpp"
 
 namespace nlsr {
 
@@ -620,6 +621,15 @@
   m_nlsr.loadValidator(it->second, m_confFileName);
   it++;
 
+  if (it == section.end() || it->first != "prefix-update-validator")
+    {
+      std::cerr << "Error: Expect prefix-update-validator section" << std::endl;
+      return false;
+    }
+
+  m_nlsr.getPrefixUpdateProcessor().loadValidator(it->second, m_confFileName);
+  it++;
+
   for (; it != section.end(); it++)
     {
       using namespace boost::filesystem;