diff --git a/pkgs/games/njam/default.nix b/pkgs/games/njam/default.nix
index ba17fe28e35..bcbbc9e7756 100644
--- a/pkgs/games/njam/default.nix
+++ b/pkgs/games/njam/default.nix
@@ -14,6 +14,8 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ SDL SDL_image SDL_mixer SDL_net ];
 
+  hardeningDisable = [ "format" ];
+
   patches = [ ./logfile.patch ];
 
   meta = {