diff --git a/pkgs/games/cataclysm-dda/default.nix b/pkgs/games/cataclysm-dda/default.nix
index b1d8a27b5a2..9f34c60e16c 100644
--- a/pkgs/games/cataclysm-dda/default.nix
+++ b/pkgs/games/cataclysm-dda/default.nix
@@ -25,6 +25,8 @@ stdenv.mkDerivation (common // rec {
     substituteInPlace lua/autoexec.lua --replace "/usr/share" "$out/share"
   '';
 
+  NIX_CFLAGS_COMPILE = [ "-Wno-error=deprecated-copy" ];
+
   makeFlags = common.makeFlags ++ [
     "LUA=1"
   ];