diff --git a/pkgs/tools/text/dadadodo/default.nix b/pkgs/tools/text/dadadodo/default.nix
index 4a146accffc0..dea8e15b540a 100644
--- a/pkgs/tools/text/dadadodo/default.nix
+++ b/pkgs/tools/text/dadadodo/default.nix
@@ -14,6 +14,8 @@ stdenv.mkDerivation rec {
     cp dadadodo $out/bin
   '';
 
+  hardeningDisable = [ "format" ];
+
   meta = with stdenv.lib; {
     description = "Markov chain-based text generator";
     homepage = http://www.jwz.org/dadadodo;