diff --git a/pkgs/tools/graphics/lprof/default.nix b/pkgs/tools/graphics/lprof/default.nix
index 0aee233e79bb..7f6a15da33d3 100644
--- a/pkgs/tools/graphics/lprof/default.nix
+++ b/pkgs/tools/graphics/lprof/default.nix
@@ -7,6 +7,8 @@ stdenv.mkDerivation {
   name = "lprof-1.11.4.1";
   buildInputs = [ scons qt3 lcms1 libtiff vigra ];
 
+  hardeningDisable = [ "format" ];
+
   preConfigure = ''
     export QTDIR=${qt3}
     export qt_directory=${qt3}