diff --git a/modules/lid-switch-handling.nix b/modules/lid-switch-handling.nix
index bd02d57..e356bcc 100644
--- a/modules/lid-switch-handling.nix
+++ b/modules/lid-switch-handling.nix
@@ -5,6 +5,6 @@
     # https://unix.stackexchange.com/a/307498
     #
     # services.logind.lidSwitch = "suspend";
-    services.logind.lidSwitchExternalPower = "ignore";
+    services.logind.lidSwitchExternalPower = "lock";
     #services.logind.lidSwitchDocked = "ignore";
 }