3 files changed, 3 insertions, 3 deletions
diff --git a/pkgs/tools/text/a2ps/default.nix b/pkgs/tools/text/a2ps/default.nix
index bcbf2b66a860..4a32e972a5b3 100644
--- a/pkgs/tools/text/a2ps/default.nix
+++ b/pkgs/tools/text/a2ps/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ libpaper gperf file ];
 
-  hardening_format = false;
+  hardeningDisable = [ "format" ];
 
   meta = with stdenv.lib; {
     description = "An Anyithing to PostScript converter and pretty-printer";
diff --git a/pkgs/tools/text/patchutils/default.nix b/pkgs/tools/text/patchutils/default.nix
index 98f9c0483c2d..75922a6c830c 100644
--- a/pkgs/tools/text/patchutils/default.nix
+++ b/pkgs/tools/text/patchutils/default.nix
@@ -10,7 +10,7 @@ stdenv.mkDerivation rec {
 
   patches = [ ./drop-comments.patch ]; # we would get into a cycle when using fetchpatch on this one
 
-  hardening_format = false;
+  hardeningDisable = [ "format" ];
 
   meta = with stdenv.lib; {
     description = "Tools to manipulate patch files";
diff --git a/pkgs/tools/text/untex/default.nix b/pkgs/tools/text/untex/default.nix
index 33f72b029a1e..ec99e8b4a27a 100644
--- a/pkgs/tools/text/untex/default.nix
+++ b/pkgs/tools/text/untex/default.nix
@@ -9,7 +9,7 @@ stdenv.mkDerivation rec {
     sha256 = "07p836jydd5yjy905m5ylnnac1h4cc4jsr41panqb808mlsiwmmy";
   };
 
-  hardening_format = false;
+  hardeningDisable = [ "format" ];
 
   unpackPhase = "tar xf $src";
   installTargets = "install install.man";