diff --git a/pkgs/games/npush/default.nix b/pkgs/games/npush/default.nix
index 25748a9983c8..fb7300a5f77d 100644
--- a/pkgs/games/npush/default.nix
+++ b/pkgs/games/npush/default.nix
@@ -24,6 +24,7 @@ stdenv.mkDerivation rec {
   makeFlags = [
     "CC=${stdenv.cc.targetPrefix}c++"
   ];
+  NIX_CFLAGS_COMPILE = "-Wno-error=format-security";
 
   installPhase = ''
     runHook preInstall