diff --git a/pkgs/applications/virtualization/xen/generic.nix b/pkgs/applications/virtualization/xen/generic.nix
index 1f5553beb047..e7b34be74be1 100644
--- a/pkgs/applications/virtualization/xen/generic.nix
+++ b/pkgs/applications/virtualization/xen/generic.nix
@@ -76,6 +76,7 @@ stdenv.mkDerivation {
   pythonPath = [ pythonPackages.curses ];
 
   hardening_stackprotector = false;
+  hardening_fortify = false;
 
   patches = stdenv.lib.optionals ((xenserverPatched == false) && (builtins.hasAttr "xenPatches" xenConfig)) xenConfig.xenPatches;