diff --git a/pkgs/development/libraries/freetds/default.nix b/pkgs/development/libraries/freetds/default.nix
index 695abcfbba2..bb4aeaeee27 100644
--- a/pkgs/development/libraries/freetds/default.nix
+++ b/pkgs/development/libraries/freetds/default.nix
@@ -11,6 +11,8 @@ stdenv.mkDerivation rec {
     sha256 = "0r946axzxs0czsmr7283w7vmk5jx3jnxxc32d2ncxsrsh2yli0ba";
   };
 
+  hardening_format = false;
+
   buildInputs = stdenv.lib.optional odbcSupport [ unixODBC ];
 
   configureFlags = stdenv.lib.optionalString odbcSupport "--with-odbc=${unixODBC}";