diff --git a/pkgs/games/dxx-rebirth/default.nix b/pkgs/games/dxx-rebirth/default.nix
index 9dde1da868dd..e48ac612b32d 100644
--- a/pkgs/games/dxx-rebirth/default.nix
+++ b/pkgs/games/dxx-rebirth/default.nix
@@ -37,7 +37,7 @@ in stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  hardeningDisable = [ "format" ];
+  NIX_CFLAGS_COMPILE = "-Wno-format-nonliteral";
 
   buildPhase = ''
     runHook preBuild