diff --git a/hosts/dregil/configuration.nix b/hosts/dregil/configuration.nix
index 227d8e1..c759fab 100644
--- a/hosts/dregil/configuration.nix
+++ b/hosts/dregil/configuration.nix
@@ -88,11 +88,10 @@ in {
   # Some programs need SUID wrappers, can be configured further or are
   # started in user sessions.
   # programs.mtr.enable = true;
-
-  #  programs.gnupg.agent = {
-  #    enable = true;
-  #    enableSSHSupport = true;
-  #  };
+  programs.gnupg.agent = {
+    enable = true;
+    enableSSHSupport = true;
+  };
 
   programs.neovim = { enable = true; };
 
@@ -118,6 +117,8 @@ in {
   # accidentally delete configuration.nix.
   # system.copySystemConfiguration = true;
 
+  system.nixos.tags = [ "HiDPI" "nvidia-only" ];
+
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions
   # on your system were taken. It‘s perfectly fine and recommended to leave