diff --git a/pkgs/applications/science/misc/openmodelica/default.nix b/pkgs/applications/science/misc/openmodelica/default.nix
index 8ea670c38189..8b413f20b1e9 100644
--- a/pkgs/applications/science/misc/openmodelica/default.nix
+++ b/pkgs/applications/science/misc/openmodelica/default.nix
@@ -20,6 +20,8 @@ stdenv.mkDerivation {
     doxygen boost openscenegraph gnome.gtkglext pangox_compat xorg.libXmu
     git gtk makeWrapper];
 
+  hardeningDisable = [ "format" ];
+
   patchPhase = ''
     cp -fv ${fakegit}/bin/checkout-git.sh libraries/checkout-git.sh
     cp -fv ${fakegit}/bin/checkout-svn.sh libraries/checkout-svn.sh