diff --git a/pkgs/tools/networking/telnet/default.nix b/pkgs/tools/networking/telnet/default.nix
index 9827b62c6c4..3fe6144b72c 100644
--- a/pkgs/tools/networking/telnet/default.nix
+++ b/pkgs/tools/networking/telnet/default.nix
@@ -9,6 +9,8 @@ stdenv.mkDerivation {
     sha256 = "0cs7ks22dhcn5qfjv2vl6ikhw93x68gg33zdn5f5cxgg81kx5afn";
   };
 
+  hardening_format = false;
+
   buildInputs = [ncurses];
 
   meta = {