diff --git a/nixos/modules/security/grsecurity.nix b/nixos/modules/security/grsecurity.nix
index ea1064c2d42..7ba25f866f2 100644
--- a/nixos/modules/security/grsecurity.nix
+++ b/nixos/modules/security/grsecurity.nix
@@ -72,6 +72,8 @@ in
         (isNO "GRKERNSEC_NO_RBAC")
       ];
 
+    nixpkgs.config.grsecurity = true;
+
     # Install PaX related utillities into the system profile.
     environment.systemPackages = with pkgs; [ gradm paxctl pax-utils ];