diff --git a/src/update/prefix-update-processor.hpp b/src/update/prefix-update-processor.hpp
index f397df1..9aedae3 100644
--- a/src/update/prefix-update-processor.hpp
+++ b/src/update/prefix-update-processor.hpp
@@ -96,7 +96,7 @@
 
 private:
   ndn::security::ValidatorConfig& m_validator;
-  const std::string& m_configFileName;
+  const std::string& m_confFileNameDynamic;
 };
 
 } // namespace update