diff --git a/modules/home/dank-material-shell.nix b/modules/home/dank-material-shell.nix
index 069ae56..a226c86 100644
--- a/modules/home/dank-material-shell.nix
+++ b/modules/home/dank-material-shell.nix
@@ -21,5 +21,9 @@ in {
       "DankMaterialShell/settings.json".source =
         json.generate "settings.json" cfg.settings;
     };
+
+    programs.niri.settings.switch-events = {
+      lid-close.action.spawn = ["dms" "ipc" "lock" "lock"];
+    };
   };
 }