diff --git a/pkgs/development/compilers/gcc/5/default.nix b/pkgs/development/compilers/gcc/5/default.nix
index 3b105143c0b..47a272ac534 100644
--- a/pkgs/development/compilers/gcc/5/default.nix
+++ b/pkgs/development/compilers/gcc/5/default.nix
@@ -216,6 +216,8 @@ stdenv.mkDerivation ({
     sha256 = "1ny4smkp5bzs3cp8ss7pl6lk8yss0d9m4av1mvdp72r1x695akxq";
   };
 
+  hardening_format = false;
+
   inherit patches;
 
   postPatch =