diff --git a/pkgs/tools/networking/lftp/default.nix b/pkgs/tools/networking/lftp/default.nix
index bf39c36e02b..23b0d241d17 100644
--- a/pkgs/tools/networking/lftp/default.nix
+++ b/pkgs/tools/networking/lftp/default.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation rec {
   buildInputs = [ gnutls readline zlib libidn ];
 
   configureFlags = [
-    "--with-readline=${readline}"
+    "--with-readline=${readline.dev}"
   ];
 
   meta = with stdenv.lib; {