diff --git a/src/interest.hpp b/src/interest.hpp
index 1357352..86c63a3 100644
--- a/src/interest.hpp
+++ b/src/interest.hpp
@@ -46,11 +46,7 @@
   class Error : public tlv::Error
   {
   public:
-    explicit
-    Error(const std::string& what)
-      : tlv::Error(what)
-    {
-    }
+    using tlv::Error::Error;
   };
 
   /** @brief Construct an Interest with given @p name and @p lifetime.