diff --git a/include/ircd/ed25519.h b/include/ircd/ed25519.h
index 180165424..428ec3e27 100644
--- a/include/ircd/ed25519.h
+++ b/include/ircd/ed25519.h
@@ -34,7 +34,7 @@ class ircd::ed25519::sk
   public:
 	sig sign(const const_buffer &msg) const;
 
-	sk(const std::string &filename, pk *const & = nullptr);
+	sk(const string_view &filename, pk *const & = nullptr);
 	sk(pk *const &, const const_buffer &seed);
 	sk(): key{nullptr, std::free} {}
 };
diff --git a/ircd/sodium.cc b/ircd/sodium.cc
index 5a6d21042..a0e38c17d 100644
--- a/ircd/sodium.cc
+++ b/ircd/sodium.cc
@@ -102,7 +102,7 @@ ircd::ed25519::sk::sk(pk *const &pk_arg,
 	};
 }
 
-ircd::ed25519::sk::sk(const std::string &filename,
+ircd::ed25519::sk::sk(const string_view &filename,
                       pk *const &pk_arg)
 try
 :key