diff --git a/hosts/slab/configuration.nix b/hosts/slab/configuration.nix
index 0a82a91..23e071b 100644
--- a/hosts/slab/configuration.nix
+++ b/hosts/slab/configuration.nix
@@ -84,6 +84,7 @@
     enable = false;
     unitConfig.DefaultDependencies = "no";
   });
+  services.logind.lidSwitch = "lock";
 
   services.xserver.videoDrivers = ["amdgpu"];