diff --git a/systems/gwyn/default.nix b/systems/gwyn/default.nix
index 20f4185..41a9a14 100644
--- a/systems/gwyn/default.nix
+++ b/systems/gwyn/default.nix
@@ -66,6 +66,7 @@
     az-tlp.enable = true;
     az-x86.enable = true;
     hardware.bolt.enable = true; # Enable Thunderbolt control
+    logind.lidSwitchExternalPower = "ignore";
   };
 
   virtualisation.virtualbox.host.enable = true;