diff --git a/pkgs/development/tools/omniorb/default.nix b/pkgs/development/tools/omniorb/default.nix
index 180e714b81e0..5553d028cb63 100644
--- a/pkgs/development/tools/omniorb/default.nix
+++ b/pkgs/development/tools/omniorb/default.nix
@@ -12,6 +12,8 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ python ];
 
+  hardening_format = false;
+
   meta = with stdenv.lib; {
     description = "omniORB is a robust high performance CORBA ORB for C++ and Python. It is freely available under the terms of the GNU Lesser General Public License (for the libraries), and GNU General Public License (for the tools). omniORB is largely CORBA 2.6 compliant.";
     homepage    = "http://omniorb.sourceforge.net/";