diff --git a/daemon/table/dead-nonce-list.hpp b/daemon/table/dead-nonce-list.hpp
index ad2e0ad..1c7f7cc 100644
--- a/daemon/table/dead-nonce-list.hpp
+++ b/daemon/table/dead-nonce-list.hpp
@@ -83,6 +83,11 @@
   size_t
   size() const;
 
+  /** \return expected lifetime
+   */
+  const time::nanoseconds&
+  getLifetime() const;
+
 private: // Entry and Index
   typedef uint64_t Entry;
 
@@ -206,6 +211,12 @@
   static const size_t EVICT_LIMIT;
 };
 
+inline const time::nanoseconds&
+DeadNonceList::getLifetime() const
+{
+  return m_lifetime;
+}
+
 } // namespace nfd
 
 #endif // NFD_DAEMON_TABLE_DEAD_NONCE_LIST_HPP